402151734816 has 72 divisors (see below), whose sum is σ = 1143098505360. Its totient is φ = 123738990336.

The previous prime is 402151734769. The next prime is 402151734821. The reversal of 402151734816 is 618437151204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12377506 + ... + 12409953.

It is an arithmetic number, because the mean of its divisors is an integer number (15876368130).

Almost surely, 2^402151734816 is an apocalyptic number.

It is an amenable number.

402151734816 is an abundant number, since it is smaller than the sum of its proper divisors (740946770544).

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

402151734816 is a wasteful number, since it uses less digits than its factorization.

402151734816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24787498 (or 24787477 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 402151734816 in words is "four hundred two billion, one hundred fifty-one million, seven hundred thirty-four thousand, eight hundred sixteen".