518204434 has 32 divisors (see below), whose sum is σ = 874644480. Its totient is φ = 228253200.

The previous prime is 518204431. The next prime is 518204447. The reversal of 518204434 is 434402815.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 518204396 and 518204405.

It is not an unprimeable number, because it can be changed into a prime (518204431) 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, 89347 + ... + 94969.

It is an arithmetic number, because the mean of its divisors is an integer number (27332640).

Almost surely, 2^518204434 is an apocalyptic number.

518204434 is a deficient number, since it is larger than the sum of its proper divisors (356440046).

518204434 is a wasteful number, since it uses less digits than its factorization.

518204434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 518204434 is about 22764.1040675885. The cubic root of 518204434 is about 803.2185101675.

The spelling of 518204434 in words is "five hundred eighteen million, two hundred four thousand, four hundred thirty-four".