844055072 has 48 divisors (see below), whose sum is σ = 1901128320. Its totient is φ = 361356288.

The previous prime is 844055059. The next prime is 844055087. The reversal of 844055072 is 270550448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348008 + ... + 350424.

It is an arithmetic number, because the mean of its divisors is an integer number (39606840).

Almost surely, 2^844055072 is an apocalyptic number.

It is an amenable number.

844055072 is an abundant number, since it is smaller than the sum of its proper divisors (1057073248).

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

844055072 is a wasteful number, since it uses less digits than its factorization.

844055072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 844055072 is about 29052.6259054152. The cubic root of 844055072 is about 945.0546601083.

The spelling of 844055072 in words is "eight hundred forty-four million, fifty-five thousand, seventy-two".