40504636 has 24 divisors (see below), whose sum is σ = 72331056. Its totient is φ = 19843200.

The previous prime is 40504627. The next prime is 40504661. The reversal of 40504636 is 63640504.

It is a congruent number.

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, 42760 + ... + 43696.

It is an arithmetic number, because the mean of its divisors is an integer number (3013794).

Almost surely, 2^40504636 is an apocalyptic number.

It is an amenable number.

40504636 is a deficient number, since it is larger than the sum of its proper divisors (31826420).

40504636 is a wasteful number, since it uses less digits than its factorization.

40504636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40504636 is about 6364.3252588157. The cubic root of 40504636 is about 343.4273757111.

The spelling of 40504636 in words is "forty million, five hundred four thousand, six hundred thirty-six".