426661512 has 32 divisors (see below), whose sum is σ = 1129399200. Its totient is φ = 133854464.

The previous prime is 426661483. The next prime is 426661513. The reversal of 426661512 is 215166624.

It is a super-2 number, since 2×426661512² = 364080091644252288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426661513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522462 + ... + 523277.

It is an arithmetic number, because the mean of its divisors is an integer number (35293725).

Almost surely, 2^426661512 is an apocalyptic number.

It is an amenable number.

426661512 is an abundant number, since it is smaller than the sum of its proper divisors (702737688).

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

426661512 is a wasteful number, since it uses less digits than its factorization.

426661512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045765 (or 1045761 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 426661512 is about 20655.7864047826. The cubic root of 426661512 is about 752.8257913882.

The spelling of 426661512 in words is "four hundred twenty-six million, six hundred sixty-one thousand, five hundred twelve".