38927964820 has 24 divisors (see below), whose sum is σ = 81803764224. Its totient is φ = 15560702496.

The previous prime is 38927964799. The next prime is 38927964857. The reversal of 38927964820 is 2846972983.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624732 + ... + 684211.

It is an arithmetic number, because the mean of its divisors is an integer number (3408490176).

Almost surely, 2^38927964820 is an apocalyptic number.

It is an amenable number.

38927964820 is an abundant number, since it is smaller than the sum of its proper divisors (42875799404).

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

38927964820 is a wasteful number, since it uses less digits than its factorization.

38927964820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310439 (or 1310437 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 38927964820 in words is "thirty-eight billion, nine hundred twenty-seven million, nine hundred sixty-four thousand, eight hundred twenty".