38091423564 has 36 divisors (see below), whose sum is σ = 96453581224. Its totient is φ = 12675128832.

The previous prime is 38091423553. The next prime is 38091423581. The reversal of 38091423564 is 46532419083.

38091423564 is a `hidden beast` number, since 3 + 80 + 9 + 1 + 4 + 2 + 3 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 896122 + ... + 937665.

Almost surely, 2^38091423564 is an apocalyptic number.

It is an amenable number.

38091423564 is an abundant number, since it is smaller than the sum of its proper divisors (58362157660).

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

38091423564 is a wasteful number, since it uses less digits than its factorization.

38091423564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834374 (or 1834369 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 38091423564 in words is "thirty-eight billion, ninety-one million, four hundred twenty-three thousand, five hundred sixty-four".