426626624 has 28 divisors (see below), whose sum is σ = 847977984. Its totient is φ = 212962944.

The previous prime is 426626621. The next prime is 426626657.

It is a happy number.

426626624 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (426626621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36257 + ... + 46559.

It is an arithmetic number, because the mean of its divisors is an integer number (30284928).

Almost surely, 2^426626624 is an apocalyptic number.

It is an amenable number.

426626624 is a deficient number, since it is larger than the sum of its proper divisors (421351360).

426626624 is a wasteful number, since it uses less digits than its factorization.

426626624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10962 (or 10952 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 426626624 is about 20654.9418783980. The cubic root of 426626624 is about 752.8052713730.

The spelling of 426626624 in words is "four hundred twenty-six million, six hundred twenty-six thousand, six hundred twenty-four".