44031440000 has 160 divisors (see below), whose sum is σ = 111016963200. Its totient is φ = 17387136000.

The previous prime is 44031439999. The next prime is 44031440021. The reversal of 44031440000 is 4413044.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 6316517 + ... + 6323483.

It is an arithmetic number, because the mean of its divisors is an integer number (693856020).

Almost surely, 2^44031440000 is an apocalyptic number.

44031440000 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 44031440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55508481600).

44031440000 is an abundant number, since it is smaller than the sum of its proper divisors (66985523200).

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

44031440000 is an frugal number, since it uses more digits than its factorization.

44031440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7080 (or 7053 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 44031440000 its reverse (4413044), we get a palindrome (44035853044).

The spelling of 44031440000 in words is "forty-four billion, thirty-one million, four hundred forty thousand".