501088256 has 36 divisors (see below), whose sum is σ = 1002434832. Its totient is φ = 250478592.

The previous prime is 501088241. The next prime is 501088261. The reversal of 501088256 is 652880105.

It is a happy number.

It is a super-2 number, since 2×501088256² = 502178880602243072, 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 as a sum of consecutive naturals, namely, 129161 + ... + 132983.

It is an arithmetic number, because the mean of its divisors is an integer number (27845412).

Almost surely, 2^501088256 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 501088256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501217416).

501088256 is an abundant number, since it is smaller than the sum of its proper divisors (501346576).

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

501088256 is an frugal number, since it uses more digits than its factorization.

501088256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857 (or 3825 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 501088256 is about 22385.0006924280. Note that the first 3 decimals coincide. The cubic root of 501088256 is about 794.2759416258.

The spelling of 501088256 in words is "five hundred one million, eighty-eight thousand, two hundred fifty-six".