44404128880 has 80 divisors (see below), whose sum is σ = 106063461504. Its totient is φ = 17279136000.

The previous prime is 44404128869. The next prime is 44404128893. The reversal of 44404128880 is 8882140444.

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 (43).

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 15 ways as a sum of consecutive naturals, for example, 837727 + ... + 889153.

Almost surely, 2^44404128880 is an apocalyptic number.

44404128880 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 44404128880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53031730752).

44404128880 is an abundant number, since it is smaller than the sum of its proper divisors (61659332624).

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

44404128880 is a wasteful number, since it uses less digits than its factorization.

44404128880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51734 (or 51728 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 43.

The spelling of 44404128880 in words is "forty-four billion, four hundred four million, one hundred twenty-eight thousand, eight hundred eighty".