40057064 has 32 divisors (see below), whose sum is σ = 76982400. Its totient is φ = 19535040.

The previous prime is 40057063. The next prime is 40057067. The reversal of 40057064 is 46075004.

It is not an unprimeable number, because it can be changed into a prime (40057063) 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, 61589 + ... + 62235.

It is an arithmetic number, because the mean of its divisors is an integer number (2405700).

Almost surely, 2^40057064 is an apocalyptic number.

It is an amenable number.

40057064 is a deficient number, since it is larger than the sum of its proper divisors (36925336).

40057064 is a wasteful number, since it uses less digits than its factorization.

40057064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40057064 is about 6329.0650178364. The cubic root of 40057064 is about 342.1577421729.

The spelling of 40057064 in words is "forty million, fifty-seven thousand, sixty-four".