220044286864 has 20 divisors (see below), whose sum is σ = 448774533040. Its totient is φ = 104231504160.

The previous prime is 220044286849. The next prime is 220044286981. The reversal of 220044286864 is 468682440022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361914642 + ... + 361915249.

It is an arithmetic number, because the mean of its divisors is an integer number (22438726652).

Almost surely, 2^220044286864 is an apocalyptic number.

It is an amenable number.

220044286864 is an abundant number, since it is smaller than the sum of its proper divisors (228730246176).

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

220044286864 is a wasteful number, since it uses less digits than its factorization.

220044286864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723829918 (or 723829912 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 46.

The spelling of 220044286864 in words is "two hundred twenty billion, forty-four million, two hundred eighty-six thousand, eight hundred sixty-four".