500612640 has 192 divisors, whose sum is σ = 1750533120. Its totient is φ = 119229440.

The previous prime is 500612621. The next prime is 500612653. The reversal of 500612640 is 46216005.

It is a super-2 number, since 2×500612640² = 501226030655539200, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 500612640.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310717 + ... + 312323.

It is an arithmetic number, because the mean of its divisors is an integer number (9117360).

Almost surely, 2^500612640 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 500612640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875266560).

500612640 is an abundant number, since it is smaller than the sum of its proper divisors (1249920480).

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

500612640 is a wasteful number, since it uses less digits than its factorization.

500612640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1687 counting only the distinct ones).

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

The square root of 500612640 is about 22374.3746281321. The cubic root of 500612640 is about 794.0245621353.

Adding to 500612640 its reverse (46216005), we get a palindrome (546828645).

The spelling of 500612640 in words is "five hundred million, six hundred twelve thousand, six hundred forty".