40204562636 has 12 divisors (see below), whose sum is σ = 80409125328. Its totient is φ = 17230526832.

The previous prime is 40204562611. The next prime is 40204562653. The reversal of 40204562636 is 63626540204.

40204562636 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 40204562636.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717938591 + ... + 717938646.

It is an arithmetic number, because the mean of its divisors is an integer number (6700760444).

Almost surely, 2^40204562636 is an apocalyptic number.

It is an amenable number.

40204562636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40204562636 is a wasteful number, since it uses less digits than its factorization.

40204562636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435877248 (or 1435877246 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 40204562636 in words is "forty billion, two hundred four million, five hundred sixty-two thousand, six hundred thirty-six".