38157887456 has 48 divisors (see below), whose sum is σ = 81224600688. Its totient is φ = 17541120000.

The previous prime is 38157887441. The next prime is 38157887459. The reversal of 38157887456 is 65478875183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38157887459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78305 + ... + 287136.

It is an arithmetic number, because the mean of its divisors is an integer number (1692179181).

Almost surely, 2^38157887456 is an apocalyptic number.

It is an amenable number.

38157887456 is an abundant number, since it is smaller than the sum of its proper divisors (43066713232).

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

38157887456 is a wasteful number, since it uses less digits than its factorization.

38157887456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365715 (or 365707 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 62.

The spelling of 38157887456 in words is "thirty-eight billion, one hundred fifty-seven million, eight hundred eighty-seven thousand, four hundred fifty-six".