8440840044844 has 48 divisors (see below), whose sum is σ = 15603370997760. Its totient is φ = 3987451385280.

The previous prime is 8440840044823. The next prime is 8440840044899. The reversal of 8440840044844 is 4484400480448.

It is a junction number, because it is equal to n+sod(n) for n = 8440840044791 and 8440840044800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2541229 + ... + 4831099.

It is an arithmetic number, because the mean of its divisors is an integer number (325070229120).

Almost surely, 2^{8440840044844} is an apocalyptic number.

It is an amenable number.

8440840044844 is a deficient number, since it is larger than the sum of its proper divisors (7162530952916).

8440840044844 is a wasteful number, since it uses less digits than its factorization.

8440840044844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290390 (or 2290388 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 52.

The spelling of 8440840044844 in words is "eight trillion, four hundred forty billion, eight hundred forty million, forty-four thousand, eight hundred forty-four".