509445952 has 28 divisors (see below), whose sum is σ = 1054888416. Its totient is φ = 243647360.

The previous prime is 509445941. The next prime is 509445961. The reversal of 509445952 is 259544905.

It is a junction number, because it is equal to n+sod(n) for n = 509445899 and 509445908.

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, 171574 + ... + 174517.

Almost surely, 2^509445952 is an apocalyptic number.

It is an amenable number.

509445952 is an abundant number, since it is smaller than the sum of its proper divisors (545442464).

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

509445952 is a wasteful number, since it uses less digits than its factorization.

509445952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346126 (or 346116 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 509445952 is about 22570.9094189844. The cubic root of 509445952 is about 798.6675486154.

The spelling of 509445952 in words is "five hundred nine million, four hundred forty-five thousand, nine hundred fifty-two".