44040000000 has 320 divisors, whose sum is σ = 147055873536. Its totient is φ = 11712000000.

The previous prime is 44039999959. The next prime is 44040000013. The reversal of 44040000000 is 4044.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119999817 + ... + 120000183.

Almost surely, 2^44040000000 is an apocalyptic number.

44040000000 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 44040000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73527936768).

44040000000 is an abundant number, since it is smaller than the sum of its proper divisors (103015873536).

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

44040000000 is an frugal number, since it uses more digits than its factorization.

44040000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 44040000000 its reverse (4044), we get a palindrome (44040004044).

The spelling of 44040000000 in words is "forty-four billion, forty million", and thus it is an aban number and an eban number.