44091957 has 32 divisors (see below), whose sum is σ = 72717568. Its totient is φ = 23141376.

The previous prime is 44091947. The next prime is 44091973. The reversal of 44091957 is 75919044.

It is not a de Polignac number, because 44091957 - 2⁴ = 44091941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44091907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101613 + ... + 102045.

It is an arithmetic number, because the mean of its divisors is an integer number (2272424).

Almost surely, 2^44091957 is an apocalyptic number.

It is an amenable number.

44091957 is a deficient number, since it is larger than the sum of its proper divisors (28625611).

44091957 is a wasteful number, since it uses less digits than its factorization.

44091957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 44091957 is about 6640.1774825678. The cubic root of 44091957 is about 353.2806019761.

The spelling of 44091957 in words is "forty-four million, ninety-one thousand, nine hundred fifty-seven".