425426462520 has 32 divisors (see below), whose sum is σ = 1276279387920. Its totient is φ = 113447056640.

The previous prime is 425426462501. The next prime is 425426462543. The reversal of 425426462520 is 25264624524.

It is a congruent number.

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, 1772610141 + ... + 1772610380.

Almost surely, 2^425426462520 is an apocalyptic number.

425426462520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425426462520 is an abundant number, since it is smaller than the sum of its proper divisors (850852925400).

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

425426462520 is a wasteful number, since it uses less digits than its factorization.

425426462520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545220535 (or 3545220531 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 425426462520 in words is "four hundred twenty-five billion, four hundred twenty-six million, four hundred sixty-two thousand, five hundred twenty".