8444844081 has 8 divisors (see below), whose sum is σ = 12510880160. Its totient is φ = 5629896036.

The previous prime is 8444844077. The next prime is 8444844103. The reversal of 8444844081 is 1804484448.

It is not a de Polignac number, because 8444844081 - 2² = 8444844077 is a prime.

It is a super-2 number, since 2×8444844081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8444844011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156385975 + ... + 156386028.

It is an arithmetic number, because the mean of its divisors is an integer number (1563860020).

Almost surely, 2^8444844081 is an apocalyptic number.

It is an amenable number.

8444844081 is a deficient number, since it is larger than the sum of its proper divisors (4066036079).

8444844081 is a wasteful number, since it uses less digits than its factorization.

8444844081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312772012 (or 312772006 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 45.

The square root of 8444844081 is about 91895.8327727651. The cubic root of 8444844081 is about 2036.4037049438.

The spelling of 8444844081 in words is "eight billion, four hundred forty-four million, eight hundred forty-four thousand, eighty-one".