38517994632 has 48 divisors (see below), whose sum is σ = 104272097040. Its totient is φ = 11851689408.

The previous prime is 38517994589. The next prime is 38517994651. The reversal of 38517994632 is 23649971583.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4744218 + ... + 4752329.

It is an arithmetic number, because the mean of its divisors is an integer number (2172335355).

Almost surely, 2^38517994632 is an apocalyptic number.

It is an amenable number.

38517994632 is an abundant number, since it is smaller than the sum of its proper divisors (65754102408).

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

38517994632 is a wasteful number, since it uses less digits than its factorization.

38517994632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9496582 (or 9496565 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 38517994632 in words is "thirty-eight billion, five hundred seventeen million, nine hundred ninety-four thousand, six hundred thirty-two".