4418137218 has 32 divisors (see below), whose sum is σ = 9900106560. Its totient is φ = 1302644160.

The previous prime is 4418137201. The next prime is 4418137247. The reversal of 4418137218 is 8127318144.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902173 + ... + 907056.

It is an arithmetic number, because the mean of its divisors is an integer number (309378330).

Almost surely, 2^4418137218 is an apocalyptic number.

4418137218 is an abundant number, since it is smaller than the sum of its proper divisors (5481969342).

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

4418137218 is a wasteful number, since it uses less digits than its factorization.

4418137218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809282.

The product of its digits is 43008, while the sum is 39.

The square root of 4418137218 is about 66469.0696339282. The cubic root of 4418137218 is about 1640.8910013120.

The spelling of 4418137218 in words is "four billion, four hundred eighteen million, one hundred thirty-seven thousand, two hundred eighteen".