40457804 has 12 divisors (see below), whose sum is σ = 70899528. Its totient is φ = 20200800.

The previous prime is 40457803. The next prime is 40457831. The reversal of 40457804 is 40875404.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40457803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3602 + ... + 9689.

It is an arithmetic number, because the mean of its divisors is an integer number (5908294).

Almost surely, 2^40457804 is an apocalyptic number.

It is an amenable number.

40457804 is a deficient number, since it is larger than the sum of its proper divisors (30441724).

40457804 is a wasteful number, since it uses less digits than its factorization.

40457804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14056 (or 14054 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40457804 is about 6360.6449358536. The cubic root of 40457804 is about 343.2949662304.

The spelling of 40457804 in words is "forty million, four hundred fifty-seven thousand, eight hundred four".