It is a square-prime of the form p2 × q, and fourth of this form and of the form 22 × q, where q is a higher prime.
It is the first member of the first cluster of two square-primes; of the form p2 × q, specifically 22 × 11 = 44 and 32 × 5 =
45. The next such cluster of two square-primes comprises 22 × 29 =
116, and 32 × 13 =
117.
44 has an
aliquot sum of
40, within an
aliquot sequence of three composite numbers (44, 40,
50,
43,
1,
0) rooted in the prime 43-aliquot tree.
Since the greatest prime factor of 442 + 1 = 1937 is 149 and thus more than 44 twice, 44 is a
Størmer number.[3] Given
Euler's totient function, φ(44) = 20 and φ(69) = 44.
Sometimes the
Tits group is considered a 17th non-strict simple group of Lie type, or a 27th sporadic group, which would yield a total of
45 classes of finite simple groups.
The total number of candles lit on the
menorah during the Jewish holiday of
Chanukah, which starts on the 25th day of the Hebrew month of
Kislev and ends on the 2nd or the 3rd day of
Tevet.
The number of candles in a box of
Hanukkah candles.
The name of a mysterious savior of
Poland prophesied by the Polish national poet
Adam Mickiewicz in his masterpiece dramatic poem Dziady (Forefathers): In scene 5 of act 3, the priest Piotr announces a "reviver of the nation" who is to bring back the lost freedom of Poland, and describes him with these words:
Born from a foreign mother, his blood of ancient heroes,
And his name will be forty and four.
A
poker game in which each player is dealt four cards down, and four cards are dealt face down on the table in a row. The first three cards on the table are "community" cards and may be used in any player's hand. The fourth card and any card matching it in rank is wild, and can also be used in a hand (each player is guaranteed one wild card). For each of four rounds, one "community" card is flipped up and a round of betting occurs. After the last round, the winner is the person with the highest poker hand.
An agent in the American television series Get Smart goes under the title of 44, usually assigned to small, enclosed, unexpected spots, to meet
Maxwell Smart, agent 86.
Number 44 (
Russian: Номер 44) is the Russian localized title for a 2015 American-British mystery thriller film Child 44.