426564320 has 96 divisors (see below), whose sum is σ = 1240360128. Its totient is φ = 134995968.

The previous prime is 426564319. The next prime is 426564353. The reversal of 426564320 is 23465624.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89 + ... + 29208.

It is an arithmetic number, because the mean of its divisors is an integer number (12920418).

Almost surely, 2^426564320 is an apocalyptic number.

426564320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426564320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620180064).

426564320 is an abundant number, since it is smaller than the sum of its proper divisors (813795808).

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

426564320 is a wasteful number, since it uses less digits than its factorization.

426564320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29332 (or 29324 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 426564320 is about 20653.4336128403. The cubic root of 426564320 is about 752.7686233531.

The spelling of 426564320 in words is "four hundred twenty-six million, five hundred sixty-four thousand, three hundred twenty".