500864256 has 144 divisors (see below), whose sum is σ = 1492283520. Its totient is φ = 165703680.

The previous prime is 500864239. The next prime is 500864269. The reversal of 500864256 is 652468005.

500864256 is a `hidden beast` number, since 5 + 0 + 0 + 8 + 642 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 500864256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1610341 + ... + 1610651.

It is an arithmetic number, because the mean of its divisors is an integer number (10363080).

Almost surely, 2^500864256 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 500864256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746141760).

500864256 is an abundant number, since it is smaller than the sum of its proper divisors (991419264).

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

500864256 is a wasteful number, since it uses less digits than its factorization.

500864256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 500864256 is about 22379.9967828416. The cubic root of 500864256 is about 794.1575697112.

The spelling of 500864256 in words is "five hundred million, eight hundred sixty-four thousand, two hundred fifty-six".