8440840840844 has 6 divisors (see below), whose sum is σ = 14771471471484. Its totient is φ = 4220420420420.

The previous prime is 8440840840829. The next prime is 8440840840889. The reversal of 8440840840844 is 4480480480448.

It is a self number, because there is not a number n which added to its sum of digits gives 8440840840844.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055105105102 + ... + 1055105105109.

It is an arithmetic number, because the mean of its divisors is an integer number (2461911911914).

Almost surely, 2^{8440840840844} is an apocalyptic number.

It is an amenable number.

8440840840844 is a deficient number, since it is larger than the sum of its proper divisors (6330630630640).

8440840840844 is a wasteful number, since it uses less digits than its factorization.

8440840840844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110210210215 (or 2110210210213 counting only the distinct ones).

The product of its (nonzero) digits is 16777216, while the sum is 56.

The spelling of 8440840840844 in words is "eight trillion, four hundred forty billion, eight hundred forty million, eight hundred forty thousand, eight hundred forty-four".