500456440 has 64 divisors (see below), whose sum is σ = 1233792000. Its totient is φ = 181184640.

The previous prime is 500456419. The next prime is 500456507. The reversal of 500456440 is 44654005.

It is a junction number, because it is equal to n+sod(n) for n = 500456399 and 500456408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102781 + ... + 107539.

It is an arithmetic number, because the mean of its divisors is an integer number (19278000).

Almost surely, 2^500456440 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 500456440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616896000).

500456440 is an abundant number, since it is smaller than the sum of its proper divisors (733335560).

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

500456440 is a wasteful number, since it uses less digits than its factorization.

500456440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020 (or 5016 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 500456440 is about 22370.8837554532. The cubic root of 500456440 is about 793.9419703078.

The spelling of 500456440 in words is "five hundred million, four hundred fifty-six thousand, four hundred forty".