40564042 has 16 divisors (see below), whose sum is σ = 64153152. Its totient is φ = 19198080.

The previous prime is 40564037. The next prime is 40564067. The reversal of 40564042 is 24046504.

It is a junction number, because it is equal to n+sod(n) for n = 40563998 and 40564016.

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, 84 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (4009572).

Almost surely, 2^40564042 is an apocalyptic number.

40564042 is a deficient number, since it is larger than the sum of its proper divisors (23589110).

40564042 is a wasteful number, since it uses less digits than its factorization.

40564042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 40564042 is about 6368.9906578672. The cubic root of 40564042 is about 343.5951892653.

The spelling of 40564042 in words is "forty million, five hundred sixty-four thousand, forty-two".