44740309 has 2 divisors, whose sum is σ = 44740310. Its totient is φ = 44740308.

The previous prime is 44740303. The next prime is 44740327. The reversal of 44740309 is 90304744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 6027025 = 6222^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 44740309 - 2⁷ = 44740181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44740303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22370154 + 22370155.

It is an arithmetic number, because the mean of its divisors is an integer number (22370155).

Almost surely, 2^44740309 is an apocalyptic number.

It is an amenable number.

44740309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44740309 is an equidigital number, since it uses as much as digits as its factorization.

44740309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 44740309 is about 6688.8197015617. The cubic root of 44740309 is about 355.0037928577.

The spelling of 44740309 in words is "forty-four million, seven hundred forty thousand, three hundred nine".