426511620660 has 48 divisors (see below), whose sum is σ = 1194301757376. Its totient is φ = 113729839872.

The previous prime is 426511620653. The next prime is 426511620697. The reversal of 426511620660 is 66026115624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885592 + ... + 1279568.

It is an arithmetic number, because the mean of its divisors is an integer number (24881286612).

Almost surely, 2^426511620660 is an apocalyptic number.

It is an amenable number.

426511620660 is an abundant number, since it is smaller than the sum of its proper divisors (767790136716).

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

426511620660 is a wasteful number, since it uses less digits than its factorization.

426511620660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412032 (or 412030 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 426511620660 in words is "four hundred twenty-six billion, five hundred eleven million, six hundred twenty thousand, six hundred sixty".