44044440880 has 80 divisors (see below), whose sum is σ = 112424616864. Its totient is φ = 15914096640.

The previous prime is 44044440877. The next prime is 44044440883. The reversal of 44044440880 is 8804444044.

It is an interprime number because it is at equal distance from previous prime (44044440877) and next prime (44044440883).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

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 15 ways as a sum of consecutive naturals, for example, 21237 + ... + 297556.

Almost surely, 2^44044440880 is an apocalyptic number.

44044440880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44044440880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56212308432).

44044440880 is an abundant number, since it is smaller than the sum of its proper divisors (68380175984).

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

44044440880 is a wasteful number, since it uses less digits than its factorization.

44044440880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318974 (or 318968 counting only the distinct ones).

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

The spelling of 44044440880 in words is "forty-four billion, forty-four million, four hundred forty thousand, eight hundred eighty".