38399599992 has 48 divisors (see below), whose sum is σ = 103951590840. Its totient is φ = 11815260288.

The previous prime is 38399599991. The next prime is 38399600003. The reversal of 38399599992 is 29999599383.

38399599992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38399599991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4729623 + ... + 4737734.

Almost surely, 2^38399599992 is an apocalyptic number.

It is an amenable number.

38399599992 is an abundant number, since it is smaller than the sum of its proper divisors (65551990848).

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

38399599992 is a wasteful number, since it uses less digits than its factorization.

38399599992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9467392 (or 9467375 counting only the distinct ones).

The product of its digits is 382637520, while the sum is 75.

The spelling of 38399599992 in words is "thirty-eight billion, three hundred ninety-nine million, five hundred ninety-nine thousand, nine hundred ninety-two".