38492158438 has 16 divisors (see below), whose sum is σ = 63792632160. Its totient is φ = 17326393216.

The previous prime is 38492158427. The next prime is 38492158447. The reversal of 38492158438 is 83485129483.

It is a super-2 number, since 2×38492158438² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 24610573 + ... + 24612136.

It is an arithmetic number, because the mean of its divisors is an integer number (3987039510).

Almost surely, 2^38492158438 is an apocalyptic number.

38492158438 is a deficient number, since it is larger than the sum of its proper divisors (25300473722).

38492158438 is a wasteful number, since it uses less digits than its factorization.

38492158438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49222751.

The product of its digits is 6635520, while the sum is 55.

The spelling of 38492158438 in words is "thirty-eight billion, four hundred ninety-two million, one hundred fifty-eight thousand, four hundred thirty-eight".