426626428 has 24 divisors (see below), whose sum is σ = 767727072. Its totient is φ = 207290304.

The previous prime is 426626419. The next prime is 426626479. The reversal of 426626428 is 824626624.

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, 179826 + ... + 182182.

It is an arithmetic number, because the mean of its divisors is an integer number (31988628).

Almost surely, 2^426626428 is an apocalyptic number.

It is an amenable number.

426626428 is a deficient number, since it is larger than the sum of its proper divisors (341100644).

426626428 is a wasteful number, since it uses less digits than its factorization.

426626428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621 (or 3619 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 426626428 is about 20654.9371337702. The cubic root of 426626428 is about 752.8051560889.

The spelling of 426626428 in words is "four hundred twenty-six million, six hundred twenty-six thousand, four hundred twenty-eight".