844668042600 has 96 divisors (see below), whose sum is σ = 2625606414720. Its totient is φ = 224631006720.

The previous prime is 844668042577. The next prime is 844668042697. The reversal of 844668042600 is 6240866448.

It is a self number, because there is not a number n which added to its sum of digits gives 844668042600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1697757 + ... + 2138156.

It is an arithmetic number, because the mean of its divisors is an integer number (27350066820).

Almost surely, 2^844668042600 is an apocalyptic number.

It is an amenable number.

844668042600 is an abundant number, since it is smaller than the sum of its proper divisors (1780938372120).

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

844668042600 is a wasteful number, since it uses less digits than its factorization.

844668042600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836299 (or 3836290 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 844668042600 in words is "eight hundred forty-four billion, six hundred sixty-eight million, forty-two thousand, six hundred".