402505026626604 has 24 divisors (see below), whose sum is σ = 1024558249595328. Its totient is φ = 121971220189840.

The previous prime is 402505026626579. The next prime is 402505026626627. The reversal of 402505026626604 is 406626620505204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524640252242 + ... + 1524640252505.

It is an arithmetic number, because the mean of its divisors is an integer number (42689927066472).

Almost surely, 2^{402505026626604} is an apocalyptic number.

402505026626604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402505026626604 is an abundant number, since it is smaller than the sum of its proper divisors (622053222968724).

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

402505026626604 is a wasteful number, since it uses less digits than its factorization.

402505026626604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049280504765 (or 3049280504763 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 402505026626604 in words is "four hundred two trillion, five hundred five billion, twenty-six million, six hundred twenty-six thousand, six hundred four".