44000000000000 has 390 divisors, whose sum is σ = 119996337792324. Its totient is φ = 16000000000000.

The previous prime is 43999999999981. The next prime is 44000000000009. The reversal of 44000000000000 is 44.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

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

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44000000000009) by changing a digit.

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 25 ways as a sum of consecutive naturals, for example, 3999999999995 + ... + 4000000000005.

Almost surely, 2^{44000000000000} is an apocalyptic number.

44000000000000 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 44000000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59998168896162).

44000000000000 is an abundant number, since it is smaller than the sum of its proper divisors (75996337792324).

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

44000000000000 is an frugal number, since it uses more digits than its factorization.

44000000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 44000000000000 its reverse (44), we get a palindrome (44000000000044).

44000000000000 divided by its reverse (44) gives a 12-th power (1000000000000 = 10¹²).

It can be divided in two parts, 4 and 4000000000000, that multiplied together give a 4-th power (16000000000000 = 2000⁴).

The spelling of 44000000000000 in words is "forty-four trillion", and thus it is an aban number and an eban number.