44044440881 has 4 divisors (see below), whose sum is σ = 50336503872. Its totient is φ = 37752377892.

The previous prime is 44044440877. The next prime is 44044440883. The reversal of 44044440881 is 18804444044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44044440881 - 2² = 44044440877 is a prime.

It is a super-2 number, since 2×44044440881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44044440883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3146031485 + ... + 3146031498.

It is an arithmetic number, because the mean of its divisors is an integer number (12584125968).

Almost surely, 2^44044440881 is an apocalyptic number.

It is an amenable number.

44044440881 is a deficient number, since it is larger than the sum of its proper divisors (6292062991).

44044440881 is an equidigital number, since it uses as much as digits as its factorization.

44044440881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292062990.

The product of its (nonzero) digits is 262144, while the sum is 41.

The spelling of 44044440881 in words is "forty-four billion, forty-four million, four hundred forty thousand, eight hundred eighty-one".