844404448408 has 16 divisors (see below), whose sum is σ = 1583301131280. Its totient is φ = 422190813408.

The previous prime is 844404448357. The next prime is 844404448501. The reversal of 844404448408 is 804844404448.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1107660 + ... + 1707547.

It is an arithmetic number, because the mean of its divisors is an integer number (98956320705).

Almost surely, 2^844404448408 is an apocalyptic number.

It is an amenable number.

844404448408 is a deficient number, since it is larger than the sum of its proper divisors (738896682872).

844404448408 is a wasteful number, since it uses less digits than its factorization.

844404448408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852706 (or 2852702 counting only the distinct ones).

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

The spelling of 844404448408 in words is "eight hundred forty-four billion, four hundred four million, four hundred forty-eight thousand, four hundred eight".