420655266504 has 96 divisors (see below), whose sum is σ = 1255658171040. Its totient is φ = 126157132800.

The previous prime is 420655266481. The next prime is 420655266539. The reversal of 420655266504 is 405662556024.

420655266504 is a `hidden beast` number, since 4 + 2 + 0 + 65 + 526 + 65 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 420655266504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2660962 + ... + 2814609.

It is an arithmetic number, because the mean of its divisors is an integer number (13079772615).

Almost surely, 2^420655266504 is an apocalyptic number.

420655266504 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420655266504 is an abundant number, since it is smaller than the sum of its proper divisors (835002904536).

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

420655266504 is a wasteful number, since it uses less digits than its factorization.

420655266504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475691 (or 5475684 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 420655266504 in words is "four hundred twenty billion, six hundred fifty-five million, two hundred sixty-six thousand, five hundred four".