426653520 has 160 divisors (see below), whose sum is σ = 1360222464. Its totient is φ = 110592000.

The previous prime is 426653509. The next prime is 426653533. The reversal of 426653520 is 25356624.

It is a super-2 number, since 2×426653520² = 364066452256780800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2210544 + ... + 2210736.

Almost surely, 2^426653520 is an apocalyptic number.

426653520 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 426653520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680111232).

426653520 is an abundant number, since it is smaller than the sum of its proper divisors (933568944).

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

426653520 is a wasteful number, since it uses less digits than its factorization.

426653520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 426653520 is about 20655.5929471899. The cubic root of 426653520 is about 752.8210908460.

The spelling of 426653520 in words is "four hundred twenty-six million, six hundred fifty-three thousand, five hundred twenty".