40573768 has 32 divisors (see below), whose sum is σ = 78883200. Its totient is φ = 19551168.

The previous prime is 40573763. The next prime is 40573787. The reversal of 40573768 is 86737504.

It is a self number, because there is not a number n which added to its sum of digits gives 40573768.

It is not an unprimeable number, because it can be changed into a prime (40573763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26430 + ... + 27922.

It is an arithmetic number, because the mean of its divisors is an integer number (2465100).

Almost surely, 2^40573768 is an apocalyptic number.

It is an amenable number.

40573768 is a deficient number, since it is larger than the sum of its proper divisors (38309432).

40573768 is a wasteful number, since it uses less digits than its factorization.

40573768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 40573768 is about 6369.7541553815. The cubic root of 40573768 is about 343.6226482298.

The spelling of 40573768 in words is "forty million, five hundred seventy-three thousand, seven hundred sixty-eight".