844408444 has 24 divisors (see below), whose sum is σ = 1612993536. Its totient is φ = 383598000.

The previous prime is 844408429. The next prime is 844408463. The reversal of 844408444 is 444804448.

844408444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×844408444² = 1426051240597002272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 844408397 and 844408406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88339 + ... + 97429.

It is an arithmetic number, because the mean of its divisors is an integer number (67208064).

Almost surely, 2^844408444 is an apocalyptic number.

It is an amenable number.

844408444 is a deficient number, since it is larger than the sum of its proper divisors (768585092).

844408444 is a wasteful number, since it uses less digits than its factorization.

844408444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11217 (or 11215 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The square root of 844408444 is about 29058.7068535405. The cubic root of 844408444 is about 945.1865271995.

The spelling of 844408444 in words is "eight hundred forty-four million, four hundred eight thousand, four hundred forty-four".