40808764 has 6 divisors (see below), whose sum is σ = 71415344. Its totient is φ = 20404380.

The previous prime is 40808759. The next prime is 40808819. The reversal of 40808764 is 46780804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101092 + ... + 5101099.

Almost surely, 2^40808764 is an apocalyptic number.

It is an amenable number.

40808764 is a deficient number, since it is larger than the sum of its proper divisors (30606580).

40808764 is a wasteful number, since it uses less digits than its factorization.

40808764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202195 (or 10202193 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 40808764 is about 6388.1737609430. The cubic root of 40808764 is about 344.2847718554.

The spelling of 40808764 in words is "forty million, eight hundred eight thousand, seven hundred sixty-four".