426644572 has 24 divisors (see below), whose sum is σ = 780667776. Its totient is φ = 203634288.

The previous prime is 426644567. The next prime is 426644579. The reversal of 426644572 is 275446624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426644579) 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, 43683 + ... + 52549.

It is an arithmetic number, because the mean of its divisors is an integer number (32527824).

Almost surely, 2^426644572 is an apocalyptic number.

It is an amenable number.

426644572 is a deficient number, since it is larger than the sum of its proper divisors (354023204).

426644572 is a wasteful number, since it uses less digits than its factorization.

426644572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9417 (or 9415 counting only the distinct ones).

The product of its digits is 322560, while the sum is 40.

The square root of 426644572 is about 20655.3763461235. The cubic root of 426644572 is about 752.8158279571.

The spelling of 426644572 in words is "four hundred twenty-six million, six hundred forty-four thousand, five hundred seventy-two".