38307312708 has 72 divisors (see below), whose sum is σ = 104505109632. Its totient is φ = 10889355456.

The previous prime is 38307312647. The next prime is 38307312767. The reversal of 38307312708 is 80721370383.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 38307312708.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49516 + ... + 281187.

It is an arithmetic number, because the mean of its divisors is an integer number (1451459856).

Almost surely, 2^38307312708 is an apocalyptic number.

It is an amenable number.

38307312708 is an abundant number, since it is smaller than the sum of its proper divisors (66197796924).

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

38307312708 is a wasteful number, since it uses less digits than its factorization.

38307312708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330921 (or 330912 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 38307312708 in words is "thirty-eight billion, three hundred seven million, three hundred twelve thousand, seven hundred eight".