40944456 has 48 divisors (see below), whose sum is σ = 126734400. Its totient is φ = 11698272.

The previous prime is 40944413. The next prime is 40944509. The reversal of 40944456 is 65444904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40944456.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40116 + ... + 41123.

It is an arithmetic number, because the mean of its divisors is an integer number (2640300).

Almost surely, 2^40944456 is an apocalyptic number.

It is an amenable number.

40944456 is an abundant number, since it is smaller than the sum of its proper divisors (85789944).

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

40944456 is a wasteful number, since it uses less digits than its factorization.

40944456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81258 (or 81251 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 40944456 is about 6398.7855097667. The cubic root of 40944456 is about 344.6659400276.

The spelling of 40944456 in words is "forty million, nine hundred forty-four thousand, four hundred fifty-six".