518117230 has 16 divisors (see below), whose sum is σ = 932919120. Its totient is φ = 207178432.

The previous prime is 518117203. The next prime is 518117233. The reversal of 518117230 is 32711815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518117233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32697 + ... + 45883.

It is an arithmetic number, because the mean of its divisors is an integer number (58307445).

Almost surely, 2^518117230 is an apocalyptic number.

518117230 is a deficient number, since it is larger than the sum of its proper divisors (414801890).

518117230 is a wasteful number, since it uses less digits than its factorization.

518117230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17123.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 518117230 is about 22762.1886030320. The cubic root of 518117230 is about 803.1734521481.

The spelling of 518117230 in words is "five hundred eighteen million, one hundred seventeen thousand, two hundred thirty".