509042376 has 48 divisors (see below), whose sum is σ = 1451221200. Its totient is φ = 160749792.

The previous prime is 509042341. The next prime is 509042389. The reversal of 509042376 is 673240905.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 509042376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184686 + ... + 187421.

It is an arithmetic number, because the mean of its divisors is an integer number (30233775).

Almost surely, 2^509042376 is an apocalyptic number.

It is an amenable number.

509042376 is an abundant number, since it is smaller than the sum of its proper divisors (942178824).

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

509042376 is a wasteful number, since it uses less digits than its factorization.

509042376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372138 (or 372131 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 509042376 is about 22561.9674673996. The cubic root of 509042376 is about 798.4565951249.

The spelling of 509042376 in words is "five hundred nine million, forty-two thousand, three hundred seventy-six".