426733056 has 80 divisors (see below), whose sum is σ = 1263200400. Its totient is φ = 142239744.

The previous prime is 426733009. The next prime is 426733061. The reversal of 426733056 is 650337624.

It is a super-2 number, since 2×426733056² = 364202202166198272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 426733056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611 + ... + 29258.

It is an arithmetic number, because the mean of its divisors is an integer number (15790005).

Almost surely, 2^426733056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426733056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631600200).

426733056 is an abundant number, since it is smaller than the sum of its proper divisors (836467344).

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

426733056 is an equidigital number, since it uses as much as digits as its factorization.

426733056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30896 (or 30874 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 426733056 is about 20657.5181471541. The cubic root of 426733056 is about 752.8678678014.

The spelling of 426733056 in words is "four hundred twenty-six million, seven hundred thirty-three thousand, fifty-six".