844050380816 has 20 divisors (see below), whose sum is σ = 1653722307900. Its totient is φ = 417283333632.

The previous prime is 844050380741. The next prime is 844050380837. The reversal of 844050380816 is 618083050448.

It can be written as a sum of positive squares in 2 ways, for example, as 529104940816 + 314945440000 = 727396^2 + 561200^2 .

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, 296364581 + ... + 296367428.

It is an arithmetic number, because the mean of its divisors is an integer number (82686115395).

Almost surely, 2^844050380816 is an apocalyptic number.

It is an amenable number.

844050380816 is a deficient number, since it is larger than the sum of its proper divisors (809671927084).

844050380816 is a wasteful number, since it uses less digits than its factorization.

844050380816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592732106 (or 592732100 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 844050380816 in words is "eight hundred forty-four billion, fifty million, three hundred eighty thousand, eight hundred sixteen".