501312264 has 32 divisors (see below), whose sum is σ = 1319244000. Its totient is φ = 158308992.

The previous prime is 501312247. The next prime is 501312271. The reversal of 501312264 is 462213105.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 549229 + ... + 550140.

It is an arithmetic number, because the mean of its divisors is an integer number (41226375).

Almost surely, 2^501312264 is an apocalyptic number.

It is an amenable number.

501312264 is an abundant number, since it is smaller than the sum of its proper divisors (817931736).

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

501312264 is a wasteful number, since it uses less digits than its factorization.

501312264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099397 (or 1099393 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 501312264 is about 22390.0036623490. The cubic root of 501312264 is about 794.3942824945.

Adding to 501312264 its reverse (462213105), we get a palindrome (963525369).

The spelling of 501312264 in words is "five hundred one million, three hundred twelve thousand, two hundred sixty-four".