518109430 has 16 divisors (see below), whose sum is σ = 936230400. Its totient is φ = 206436352.

The previous prime is 518109421. The next prime is 518109463. The reversal of 518109430 is 34901815.

It is a junction number, because it is equal to n+sod(n) for n = 518109392 and 518109401.

It is a congruent number.

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, 98230 + ... + 103369.

It is an arithmetic number, because the mean of its divisors is an integer number (58514400).

Almost surely, 2^518109430 is an apocalyptic number.

518109430 is a deficient number, since it is larger than the sum of its proper divisors (418120970).

518109430 is a wasteful number, since it uses less digits than its factorization.

518109430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201863.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 518109430 is about 22762.0172656116. The cubic root of 518109430 is about 803.1694216675.

The spelling of 518109430 in words is "five hundred eighteen million, one hundred nine thousand, four hundred thirty".