44003612144 has 80 divisors (see below), whose sum is σ = 92652552000. Its totient is φ = 20182407168.

The previous prime is 44003612117. The next prime is 44003612197. The reversal of 44003612144 is 44121630044.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576292 + ... + 1603964.

It is an arithmetic number, because the mean of its divisors is an integer number (1158156900).

Almost surely, 2^44003612144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44003612144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46326276000).

44003612144 is an abundant number, since it is smaller than the sum of its proper divisors (48648939856).

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

44003612144 is a wasteful number, since it uses less digits than its factorization.

44003612144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27882 (or 27876 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 44003612144 in words is "forty-four billion, three million, six hundred twelve thousand, one hundred forty-four".