518023338 has 32 divisors (see below), whose sum is σ = 1188794880. Its totient is φ = 147414000.

The previous prime is 518023333. The next prime is 518023349. The reversal of 518023338 is 833320815.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 518023299 and 518023308.

It is not an unprimeable number, because it can be changed into a prime (518023333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14028 + ... + 35111.

It is an arithmetic number, because the mean of its divisors is an integer number (37149840).

Almost surely, 2^518023338 is an apocalyptic number.

518023338 is an abundant number, since it is smaller than the sum of its proper divisors (670771542).

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

518023338 is a wasteful number, since it uses less digits than its factorization.

518023338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49402.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 518023338 is about 22760.1260541325. The cubic root of 518023338 is about 803.1249328085.

The spelling of 518023338 in words is "five hundred eighteen million, twenty-three thousand, three hundred thirty-eight".