8044844440 has 16 divisors (see below), whose sum is σ = 18100900080. Its totient is φ = 3217937760.

The previous prime is 8044844371. The next prime is 8044844453. The reversal of 8044844440 is 444484408.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 201121111 = 8044844440 / (8 + 0 + 4 + 4 + 8 + 4 + 4 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 8044844393 and 8044844402.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100560516 + ... + 100560595.

It is an arithmetic number, because the mean of its divisors is an integer number (1131306255).

Almost surely, 2^8044844440 is an apocalyptic number.

It is an amenable number.

8044844440 is an abundant number, since it is smaller than the sum of its proper divisors (10056055640).

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

8044844440 is a wasteful number, since it uses less digits than its factorization.

8044844440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201121122 (or 201121118 counting only the distinct ones).

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

The square root of 8044844440 is about 89693.0568104354. The cubic root of 8044844440 is about 2003.7300756098.

The spelling of 8044844440 in words is "eight billion, forty-four million, eight hundred forty-four thousand, four hundred forty".