402350979660 has 96 divisors (see below), whose sum is σ = 1329056182272. Its totient is φ = 88999292160.

The previous prime is 402350979659. The next prime is 402350979671. The reversal of 402350979660 is 66979053204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15438247 + ... + 15464286.

It is an arithmetic number, because the mean of its divisors is an integer number (13844335232).

Almost surely, 2^402350979660 is an apocalyptic number.

It is an amenable number.

402350979660 is an abundant number, since it is smaller than the sum of its proper divisors (926705202612).

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

402350979660 is a wasteful number, since it uses less digits than its factorization.

402350979660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30902583 (or 30902581 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 402350979660 in words is "four hundred two billion, three hundred fifty million, nine hundred seventy-nine thousand, six hundred sixty".