844441998144 has 56 divisors (see below), whose sum is σ = 2234552125248. Its totient is φ = 281442954240.

The previous prime is 844441998133. The next prime is 844441998173. The reversal of 844441998144 is 441899144448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160869 + ... + 1742555.

Almost surely, 2^844441998144 is an apocalyptic number.

It is an amenable number.

844441998144 is an abundant number, since it is smaller than the sum of its proper divisors (1390110127104).

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

844441998144 is a wasteful number, since it uses less digits than its factorization.

844441998144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589263 (or 589253 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 60.

The spelling of 844441998144 in words is "eight hundred forty-four billion, four hundred forty-one million, nine hundred ninety-eight thousand, one hundred forty-four".