38515218008 has 64 divisors (see below), whose sum is σ = 75825469440. Its totient is φ = 18305933184.

The previous prime is 38515217999. The next prime is 38515218011. The reversal of 38515218008 is 80081251583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24960485 + ... + 24962027.

It is an arithmetic number, because the mean of its divisors is an integer number (1184772960).

Almost surely, 2^38515218008 is an apocalyptic number.

It is an amenable number.

38515218008 is a deficient number, since it is larger than the sum of its proper divisors (37310251432).

38515218008 is a wasteful number, since it uses less digits than its factorization.

38515218008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 38515218008 in words is "thirty-eight billion, five hundred fifteen million, two hundred eighteen thousand, eight".