500509440 has 216 divisors, whose sum is σ = 1807958880. Its totient is φ = 127598592.

The previous prime is 500509433. The next prime is 500509469. The reversal of 500509440 is 44905005.

It is a super-2 number, since 2×500509440² = 501019399058227200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264016 + ... + 265904.

It is an arithmetic number, because the mean of its divisors is an integer number (8370180).

Almost surely, 2^500509440 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 500509440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903979440).

500509440 is an abundant number, since it is smaller than the sum of its proper divisors (1307449440).

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

500509440 is a wasteful number, since it uses less digits than its factorization.

500509440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 500509440 is about 22372.0682995560. The cubic root of 500509440 is about 793.9699963495.

The spelling of 500509440 in words is "five hundred million, five hundred nine thousand, four hundred forty".