18444106880286 has 64 divisors (see below), whose sum is σ = 37010977574400. Its totient is φ = 6127622960256.

The previous prime is 18444106880263. The next prime is 18444106880317. The reversal of 18444106880286 is 68208860144481.

It is a super-2 number, since 2×18444106880286² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7213180920 + ... + 7213183476.

It is an arithmetic number, because the mean of its divisors is an integer number (578296524600).

Almost surely, 2^{18444106880286} is an apocalyptic number.

18444106880286 is an abundant number, since it is smaller than the sum of its proper divisors (18566870694114).

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

18444106880286 is a wasteful number, since it uses less digits than its factorization.

18444106880286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5873.

The product of its (nonzero) digits is 18874368, while the sum is 60.

The spelling of 18444106880286 in words is "eighteen trillion, four hundred forty-four billion, one hundred six million, eight hundred eighty thousand, two hundred eighty-six".