426644620 has 24 divisors (see below), whose sum is σ = 943110000. Its totient is φ = 161675712.

The previous prime is 426644593. The next prime is 426644671. The reversal of 426644620 is 26446624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560995 + ... + 561754.

It is an arithmetic number, because the mean of its divisors is an integer number (39296250).

Almost surely, 2^426644620 is an apocalyptic number.

It is an amenable number.

426644620 is an abundant number, since it is smaller than the sum of its proper divisors (516465380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426644620 is a wasteful number, since it uses less digits than its factorization.

426644620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122777 (or 1122775 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 426644620 is about 20655.3775080486. The cubic root of 426644620 is about 752.8158561892.

The spelling of 426644620 in words is "four hundred twenty-six million, six hundred forty-four thousand, six hundred twenty".