426511106520 has 32 divisors (see below), whose sum is σ = 1279533319920. Its totient is φ = 113736295040.

The previous prime is 426511106513. The next prime is 426511106551. The reversal of 426511106520 is 25601115624.

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, 1777129491 + ... + 1777129730.

Almost surely, 2^426511106520 is an apocalyptic number.

426511106520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426511106520 is an abundant number, since it is smaller than the sum of its proper divisors (853022213400).

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

426511106520 is a wasteful number, since it uses less digits than its factorization.

426511106520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554259235 (or 3554259231 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 426511106520 in words is "four hundred twenty-six billion, five hundred eleven million, one hundred six thousand, five hundred twenty".