426565500 has 48 divisors (see below), whose sum is σ = 1242163104. Its totient is φ = 113750400.

The previous prime is 426565493. The next prime is 426565511. The reversal of 426565500 is 5565624.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140689 + ... + 143688.

It is an arithmetic number, because the mean of its divisors is an integer number (25878398).

Almost surely, 2^426565500 is an apocalyptic number.

It is an amenable number.

426565500 is an abundant number, since it is smaller than the sum of its proper divisors (815597604).

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

426565500 is a wasteful number, since it uses less digits than its factorization.

426565500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284399 (or 284387 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 426565500 is about 20653.4621794991. The cubic root of 426565500 is about 752.7693174776.

The spelling of 426565500 in words is "four hundred twenty-six million, five hundred sixty-five thousand, five hundred".