509468224 has 28 divisors (see below), whose sum is σ = 1030057884. Its totient is φ = 249926144.

The previous prime is 509468213. The next prime is 509468231. The reversal of 509468224 is 422864905.

It can be written as a sum of positive squares in 2 ways, for example, as 315701824 + 193766400 = 17768^2 + 13920^2 .

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, 71707 + ... + 78490.

Almost surely, 2^509468224 is an apocalyptic number.

It is an amenable number.

509468224 is an abundant number, since it is smaller than the sum of its proper divisors (520589660).

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

509468224 is a wasteful number, since it uses less digits than its factorization.

509468224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150262 (or 150252 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 509468224 is about 22571.4027920287. The cubic root of 509468224 is about 798.6791871837.

The spelling of 509468224 in words is "five hundred nine million, four hundred sixty-eight thousand, two hundred twenty-four".