402655655630 has 32 divisors (see below), whose sum is σ = 732163333824. Its totient is φ = 159423042816.

The previous prime is 402655655621. The next prime is 402655655653. The reversal of 402655655630 is 36556556204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2109644 + ... + 2292576.

It is an arithmetic number, because the mean of its divisors is an integer number (22880104182).

Almost surely, 2^402655655630 is an apocalyptic number.

402655655630 is a deficient number, since it is larger than the sum of its proper divisors (329507678194).

402655655630 is a wasteful number, since it uses less digits than its factorization.

402655655630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185180.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 402655655630 in words is "four hundred two billion, six hundred fifty-five million, six hundred fifty-five thousand, six hundred thirty".