44091012 has 24 divisors (see below), whose sum is σ = 117576256. Its totient is φ = 12597408.

The previous prime is 44091007. The next prime is 44091041. The reversal of 44091012 is 21019044.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 44091012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262363 + ... + 262530.

Almost surely, 2^44091012 is an apocalyptic number.

44091012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

44091012 is an abundant number, since it is smaller than the sum of its proper divisors (73485244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44091012 is a wasteful number, since it uses less digits than its factorization.

44091012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524907 (or 524905 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 44091012 is about 6640.1063244499. The cubic root of 44091012 is about 353.2780780649.

The spelling of 44091012 in words is "forty-four million, ninety-one thousand, twelve".