44044440885 has 24 divisors (see below), whose sum is σ = 76449934080. Its totient is φ = 23457680352.

The previous prime is 44044440883. The next prime is 44044440901. The reversal of 44044440885 is 58804444044.

It is not a de Polignac number, because 44044440885 - 2¹ = 44044440883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 44044440885.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 648289 + ... + 712998.

It is an arithmetic number, because the mean of its divisors is an integer number (3185413920).

Almost surely, 2^44044440885 is an apocalyptic number.

44044440885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44044440885 is a deficient number, since it is larger than the sum of its proper divisors (32405493195).

44044440885 is a wasteful number, since it uses less digits than its factorization.

44044440885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362017 (or 1362014 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 45.

The spelling of 44044440885 in words is "forty-four billion, forty-four million, four hundred forty thousand, eight hundred eighty-five".