40536904 has 16 divisors (see below), whose sum is σ = 78061500. Its totient is φ = 19720512.

The previous prime is 40536901. The next prime is 40536907. The reversal of 40536904 is 40963504.

It is an interprime number because it is at equal distance from previous prime (40536901) and next prime (40536907).

It can be written as a sum of positive squares in 2 ways, for example, as 27562500 + 12974404 = 5250^2 + 3602^2 .

It is not an unprimeable number, because it can be changed into a prime (40536901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68179 + ... + 68770.

Almost surely, 2^40536904 is an apocalyptic number.

It is an amenable number.

40536904 is a deficient number, since it is larger than the sum of its proper divisors (37524596).

40536904 is a wasteful number, since it uses less digits than its factorization.

40536904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136992 (or 136988 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 40536904 is about 6366.8598225499. The cubic root of 40536904 is about 343.5185485924.

The spelling of 40536904 in words is "forty million, five hundred thirty-six thousand, nine hundred four".