426266631 has 60 divisors (see below), whose sum is σ = 745703640. Its totient is φ = 241950240.

The previous prime is 426266629. The next prime is 426266689. The reversal of 426266631 is 136662624.

It is not a de Polignac number, because 426266631 - 2¹ = 426266629 is a prime.

It is a super-2 number, since 2×426266631² = 363406481408180322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426266131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 837205 + ... + 837713.

It is an arithmetic number, because the mean of its divisors is an integer number (12428394).

Almost surely, 2^426266631 is an apocalyptic number.

426266631 is a deficient number, since it is larger than the sum of its proper divisors (319437009).

426266631 is a wasteful number, since it uses less digits than its factorization.

426266631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 730 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 426266631 is about 20646.2255872593. The cubic root of 426266631 is about 752.5934695505.

The spelling of 426266631 in words is "four hundred twenty-six million, two hundred sixty-six thousand, six hundred thirty-one".