218333868342 has 32 divisors (see below), whose sum is σ = 463457635200. Its totient is φ = 68333409408.

The previous prime is 218333868331. The next prime is 218333868367. The reversal of 218333868342 is 243868333812.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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, 2511592 + ... + 2597067.

It is an arithmetic number, because the mean of its divisors is an integer number (14483051100).

Almost surely, 2^218333868342 is an apocalyptic number.

218333868342 is an abundant number, since it is smaller than the sum of its proper divisors (245123766858).

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

218333868342 is a wasteful number, since it uses less digits than its factorization.

218333868342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109100.

The product of its digits is 3981312, while the sum is 51.

The spelling of 218333868342 in words is "two hundred eighteen billion, three hundred thirty-three million, eight hundred sixty-eight thousand, three hundred forty-two".