44400321112 has 64 divisors (see below), whose sum is σ = 99405273600. Its totient is φ = 18178448640.

The previous prime is 44400321109. The next prime is 44400321139. The reversal of 44400321112 is 21112300444.

It is a happy number.

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, 1020687 + ... + 1063297.

It is an arithmetic number, because the mean of its divisors is an integer number (1553207400).

Almost surely, 2^44400321112 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 44400321112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49702636800).

44400321112 is an abundant number, since it is smaller than the sum of its proper divisors (55004952488).

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

44400321112 is a wasteful number, since it uses less digits than its factorization.

44400321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43456 (or 43452 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 44400321112 its reverse (21112300444), we get a palindrome (65512621556).

The spelling of 44400321112 in words is "forty-four billion, four hundred million, three hundred twenty-one thousand, one hundred twelve".