509418926142 has 32 divisors (see below), whose sum is σ = 1180336618752. Its totient is φ = 143554451904.

The previous prime is 509418926129. The next prime is 509418926167. The reversal of 509418926142 is 241629814905.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83072428 + ... + 83078559.

It is an arithmetic number, because the mean of its divisors is an integer number (36885519336).

Almost surely, 2^509418926142 is an apocalyptic number.

509418926142 is an abundant number, since it is smaller than the sum of its proper divisors (670917692610).

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

509418926142 is a wasteful number, since it uses less digits than its factorization.

509418926142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166151072.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 509418926142 in words is "five hundred nine billion, four hundred eighteen million, nine hundred twenty-six thousand, one hundred forty-two".