315747239472 has 180 divisors, whose sum is σ = 1017956895696. Its totient is φ = 89498545920.

The previous prime is 315747239443. The next prime is 315747239519. The reversal of 315747239472 is 274932747513.

315747239472 is a `hidden beast` number, since 3 + 1 + 5 + 74 + 72 + 39 + 472 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16248322 + ... + 16267742.

Almost surely, 2^315747239472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315747239472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508978447848).

315747239472 is an abundant number, since it is smaller than the sum of its proper divisors (702209656224).

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

315747239472 is a wasteful number, since it uses less digits than its factorization.

315747239472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19696 (or 19560 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

It can be divided in two parts, 3157472 and 39472, that added together give a square (3196944 = 1788²).

The spelling of 315747239472 in words is "three hundred fifteen billion, seven hundred forty-seven million, two hundred thirty-nine thousand, four hundred seventy-two".