500313440 has 48 divisors (see below), whose sum is σ = 1289448720. Its totient is φ = 181931520.

The previous prime is 500313439. The next prime is 500313469. The reversal of 500313440 is 44313005.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 140375 + ... + 143894.

It is an arithmetic number, because the mean of its divisors is an integer number (26863515).

Almost surely, 2^500313440 is an apocalyptic number.

It is an amenable number.

500313440 is an abundant number, since it is smaller than the sum of its proper divisors (789135280).

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

500313440 is a wasteful number, since it uses less digits than its factorization.

500313440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284295 (or 284287 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 500313440 is about 22367.6874084023. The cubic root of 500313440 is about 793.8663430017.

Adding to 500313440 its reverse (44313005), we get a palindrome (544626445).

The spelling of 500313440 in words is "five hundred million, three hundred thirteen thousand, four hundred forty".