425502424520 has 32 divisors (see below), whose sum is σ = 958686633720. Its totient is φ = 169968760320.

The previous prime is 425502424519. The next prime is 425502424609. The reversal of 425502424520 is 25424205524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 412289841604 + 13212582916 = 642098^2 + 114946^2 .

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, 7226861 + ... + 7285500.

Almost surely, 2^425502424520 is an apocalyptic number.

425502424520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425502424520 is an abundant number, since it is smaller than the sum of its proper divisors (533184209200).

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

425502424520 is a wasteful number, since it uses less digits than its factorization.

425502424520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14513105 (or 14513101 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The spelling of 425502424520 in words is "four hundred twenty-five billion, five hundred two million, four hundred twenty-four thousand, five hundred twenty".