844880408884 has 12 divisors (see below), whose sum is σ = 1479104847108. Its totient is φ = 422279024000.

The previous prime is 844880408873. The next prime is 844880408891. The reversal of 844880408884 is 488804088448.

It can be written as a sum of positive squares in 2 ways, for example, as 641235795984 + 203644612900 = 800772^2 + 451270^2 .

It is a super-2 number, since 2×844880408884² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 40283317 + ... + 40304284.

It is an arithmetic number, because the mean of its divisors is an integer number (123258737259).

Almost surely, 2^844880408884 is an apocalyptic number.

It is an amenable number.

844880408884 is a deficient number, since it is larger than the sum of its proper divisors (634224438224).

844880408884 is a wasteful number, since it uses less digits than its factorization.

844880408884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80590226 (or 80590224 counting only the distinct ones).

The product of its (nonzero) digits is 67108864, while the sum is 64.

The spelling of 844880408884 in words is "eight hundred forty-four billion, eight hundred eighty million, four hundred eight thousand, eight hundred eighty-four".