38479991472 has 60 divisors (see below), whose sum is σ = 115974424384. Its totient is φ = 11839996800.

The previous prime is 38479991449. The next prime is 38479991597. The reversal of 38479991472 is 27419997483.

38479991472 is a `hidden beast` number, since 3 + 8 + 4 + 79 + 9 + 91 + 472 = 666.

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, 10275904 + ... + 10279647.

Almost surely, 2^38479991472 is an apocalyptic number.

It is an amenable number.

38479991472 is an abundant number, since it is smaller than the sum of its proper divisors (77494432912).

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

38479991472 is a wasteful number, since it uses less digits than its factorization.

38479991472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555578 (or 20555569 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The spelling of 38479991472 in words is "thirty-eight billion, four hundred seventy-nine million, nine hundred ninety-one thousand, four hundred seventy-two".