509090094 has 24 divisors (see below), whose sum is σ = 1103793600. Its totient is φ = 169579008.

The previous prime is 509090089. The next prime is 509090147. The reversal of 509090094 is 490090905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19182 + ... + 37230.

It is an arithmetic number, because the mean of its divisors is an integer number (45991400).

Almost surely, 2^509090094 is an apocalyptic number.

509090094 is an abundant number, since it is smaller than the sum of its proper divisors (594703506).

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

509090094 is a wasteful number, since it uses less digits than its factorization.

509090094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19624 (or 19621 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 509090094 is about 22563.0249301817. The cubic root of 509090094 is about 798.4815436447.

The spelling of 509090094 in words is "five hundred nine million, ninety thousand, ninety-four".