426231057 has 24 divisors (see below), whose sum is σ = 668541600. Its totient is φ = 240816576.

The previous prime is 426231053. The next prime is 426231077. The reversal of 426231057 is 750132624.

It is not a de Polignac number, because 426231057 - 2² = 426231053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426231053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3207 + ... + 29372.

It is an arithmetic number, because the mean of its divisors is an integer number (27855900).

Almost surely, 2^426231057 is an apocalyptic number.

It is an amenable number.

426231057 is a deficient number, since it is larger than the sum of its proper divisors (242310543).

426231057 is a wasteful number, since it uses less digits than its factorization.

426231057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32685 (or 32678 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 426231057 is about 20645.3640558843. The cubic root of 426231057 is about 752.5725331201.

The spelling of 426231057 in words is "four hundred twenty-six million, two hundred thirty-one thousand, fifty-seven".