518008940098 has 16 divisors (see below), whose sum is σ = 842891588280. Its totient is φ = 237335930496.

The previous prime is 518008940063. The next prime is 518008940101. The reversal of 518008940098 is 890049800815.

It can be written as a sum of positive squares in 4 ways, for example, as 425491376209 + 92517563889 = 652297^2 + 304167^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72709653 + ... + 72716776.

Almost surely, 2^518008940098 is an apocalyptic number.

518008940098 is a deficient number, since it is larger than the sum of its proper divisors (324882648182).

518008940098 is a wasteful number, since it uses less digits than its factorization.

518008940098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145426581.

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 518008940098 in words is "five hundred eighteen billion, eight million, nine hundred forty thousand, ninety-eight".