426330365520 has 40 divisors (see below), whose sum is σ = 1321624133856. Its totient is φ = 113688097408.

The previous prime is 426330365401. The next prime is 426330365551. The reversal of 426330365520 is 25563033624.

It is a tau number, because it is divible by the number of its divisors (40).

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, 888188022 + ... + 888188501.

Almost surely, 2^426330365520 is an apocalyptic number.

426330365520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426330365520 is an abundant number, since it is smaller than the sum of its proper divisors (895293768336).

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

426330365520 is a wasteful number, since it uses less digits than its factorization.

426330365520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776376539 (or 1776376533 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 39.

The spelling of 426330365520 in words is "four hundred twenty-six billion, three hundred thirty million, three hundred sixty-five thousand, five hundred twenty".