40804636 has 24 divisors (see below), whose sum is σ = 74597040. Its totient is φ = 19510272.

The previous prime is 40804627. The next prime is 40804651. The reversal of 40804636 is 63640804.

It is a junction number, because it is equal to n+sod(n) for n = 40804598 and 40804607.

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, 6396 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (3108210).

Almost surely, 2^40804636 is an apocalyptic number.

It is an amenable number.

40804636 is a deficient number, since it is larger than the sum of its proper divisors (33792404).

40804636 is a wasteful number, since it uses less digits than its factorization.

40804636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773 (or 4771 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40804636 is about 6387.8506557370. The cubic root of 40804636 is about 344.2731627849.

The spelling of 40804636 in words is "forty million, eight hundred four thousand, six hundred thirty-six".