509990484 has 12 divisors (see below), whose sum is σ = 1189977824. Its totient is φ = 169996824.

The previous prime is 509990473. The next prime is 509990501. The reversal of 509990484 is 484099905.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21249592 + ... + 21249615.

Almost surely, 2^509990484 is an apocalyptic number.

It is an amenable number.

509990484 is an abundant number, since it is smaller than the sum of its proper divisors (679987340).

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

509990484 is a wasteful number, since it uses less digits than its factorization.

509990484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42499214 (or 42499212 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 509990484 is about 22582.9688925084. The cubic root of 509990484 is about 798.9520048154.

The spelling of 509990484 in words is "five hundred nine million, nine hundred ninety thousand, four hundred eighty-four".