426533568 has 112 divisors (see below), whose sum is σ = 1156716000. Its totient is φ = 138682368.

The previous prime is 426533563. The next prime is 426533687. The reversal of 426533568 is 865335624.

Its product of digits (518400) is a multiple of the sum of its prime divisors (432).

It is not an unprimeable number, because it can be changed into a prime (426533563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1862478 + ... + 1862706.

Almost surely, 2^426533568 is an apocalyptic number.

426533568 is a gapful number since it is divisible by the number (48) 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 426533568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578358000).

426533568 is an abundant number, since it is smaller than the sum of its proper divisors (730182432).

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

426533568 is a wasteful number, since it uses less digits than its factorization.

426533568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 432 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The square root of 426533568 is about 20652.6891227269. The cubic root of 426533568 is about 752.7505333130.

The spelling of 426533568 in words is "four hundred twenty-six million, five hundred thirty-three thousand, five hundred sixty-eight".