239472930816 has 936 divisors, whose sum is σ = 877011025280. Its totient is φ = 63852281856.

The previous prime is 239472930803. The next prime is 239472930869. The reversal of 239472930816 is 618039274932.

239472930816 is a `hidden beast` number, since 2 + 3 + 9 + 472 + 93 + 0 + 81 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3574222815 + ... + 3574222881.

Almost surely, 2^239472930816 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 239472930816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438505512640).

239472930816 is an abundant number, since it is smaller than the sum of its proper divisors (637538094464).

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

239472930816 is an frugal number, since it uses more digits than its factorization.

239472930816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 239472930816 in words is "two hundred thirty-nine billion, four hundred seventy-two million, nine hundred thirty thousand, eight hundred sixteen".