500640264 has 96 divisors (see below), whose sum is σ = 1467385920. Its totient is φ = 159610176.

The previous prime is 500640247. The next prime is 500640269. The reversal of 500640264 is 462046005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (500640269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39114 + ... + 50310.

It is an arithmetic number, because the mean of its divisors is an integer number (15285270).

Almost surely, 2^500640264 is an apocalyptic number.

500640264 is a gapful number since it is divisible by the number (54) 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 500640264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733692960).

500640264 is an abundant number, since it is smaller than the sum of its proper divisors (966745656).

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

500640264 is a wasteful number, since it uses less digits than its factorization.

500640264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11241 (or 11225 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 500640264 is about 22374.9919329594. The cubic root of 500640264 is about 794.0391667279.

Adding to 500640264 its reverse (462046005), we get a palindrome (962686269).

The spelling of 500640264 in words is "five hundred million, six hundred forty thousand, two hundred sixty-four".