38712923536 has 45 divisors (see below), whose sum is σ = 87264632619. Its totient is φ = 16588891872.

The previous prime is 38712923519. The next prime is 38712923569. The reversal of 38712923536 is 63532921783.

It is a happy number.

The square root of 38712923536 is 196756.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38712923536.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5505655 + ... + 5512681.

Almost surely, 2^38712923536 is an apocalyptic number.

38712923536 is the 196756-th square number.

It is an amenable number.

38712923536 is an abundant number, since it is smaller than the sum of its proper divisors (48551709083).

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

38712923536 is an frugal number, since it uses more digits than its factorization.

38712923536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14076 (or 7036 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

Multiplying 38712923536 by its sum of digits (49), we get a square (1896933253264 = 1377292²).

38712923536 divided by its sum of digits (49) gives a square (790059664 = 28108²).

The spelling of 38712923536 in words is "thirty-eight billion, seven hundred twelve million, nine hundred twenty-three thousand, five hundred thirty-six".