38734630816 has 24 divisors (see below), whose sum is σ = 87152919840. Its totient is φ = 16600555968.

The previous prime is 38734630793. The next prime is 38734630843. The reversal of 38734630816 is 61803643783.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38734630816.

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, 86461006 + ... + 86461453.

It is an arithmetic number, because the mean of its divisors is an integer number (3631371660).

Almost surely, 2^38734630816 is an apocalyptic number.

It is an amenable number.

38734630816 is an abundant number, since it is smaller than the sum of its proper divisors (48418289024).

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

38734630816 is a wasteful number, since it uses less digits than its factorization.

38734630816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172922476 (or 172922468 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 38734630816 in words is "thirty-eight billion, seven hundred thirty-four million, six hundred thirty thousand, eight hundred sixteen".