38463994372 has 24 divisors (see below), whose sum is σ = 70661041920. Its totient is φ = 18296155680.

The previous prime is 38463994367. The next prime is 38463994399. The reversal of 38463994372 is 27349936483.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621443 + ... + 2636074.

It is an arithmetic number, because the mean of its divisors is an integer number (2944210080).

Almost surely, 2^38463994372 is an apocalyptic number.

It is an amenable number.

38463994372 is a deficient number, since it is larger than the sum of its proper divisors (32197047548).

38463994372 is a wasteful number, since it uses less digits than its factorization.

38463994372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257611 (or 5257609 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 58.

The spelling of 38463994372 in words is "thirty-eight billion, four hundred sixty-three million, nine hundred ninety-four thousand, three hundred seventy-two".