844069944 has 64 divisors (see below), whose sum is σ = 2172471840. Its totient is φ = 273162240.

The previous prime is 844069931. The next prime is 844069979. The reversal of 844069944 is 449960448.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 844069893 and 844069902.

It is a congruent number.

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, 119964 + ... + 126804.

Almost surely, 2^844069944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844069944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086235920).

844069944 is an abundant number, since it is smaller than the sum of its proper divisors (1328401896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

844069944 is a wasteful number, since it uses less digits than its factorization.

844069944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000 (or 6996 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 844069944 is about 29052.8818536131. The cubic root of 844069944 is about 945.0602106033.

The spelling of 844069944 in words is "eight hundred forty-four million, sixty-nine thousand, nine hundred forty-four".