40513053904 has 20 divisors (see below), whose sum is σ = 79227634464. Its totient is φ = 20067212768.

The previous prime is 40513053899. The next prime is 40513053907. The reversal of 40513053904 is 40935031504.

It is a self number, because there is not a number n which added to its sum of digits gives 40513053904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40513053907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11830372 + ... + 11833795.

Almost surely, 2^40513053904 is an apocalyptic number.

It is an amenable number.

40513053904 is a deficient number, since it is larger than the sum of its proper divisors (38714580560).

40513053904 is a wasteful number, since it uses less digits than its factorization.

40513053904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23664282 (or 23664276 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 40513053904 in words is "forty billion, five hundred thirteen million, fifty-three thousand, nine hundred four".