12044326244440 has 128 divisors (see below), whose sum is σ = 31637430282240. Its totient is φ = 4040683347456.

The previous prime is 12044326244437. The next prime is 12044326244459. The reversal of 12044326244440 is 4444262344021.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 12044326244393 and 12044326244402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57760447 + ... + 57968593.

It is an arithmetic number, because the mean of its divisors is an integer number (247167424080).

Almost surely, 2^{12044326244440} is an apocalyptic number.

12044326244440 is a gapful number since it is divisible by the number (10) 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 12044326244440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15818715141120).

12044326244440 is an abundant number, since it is smaller than the sum of its proper divisors (19593104037800).

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

12044326244440 is a wasteful number, since it uses less digits than its factorization.

12044326244440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212609 (or 212605 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 12044326244440 its reverse (4444262344021), we get a palindrome (16488588588461).

The spelling of 12044326244440 in words is "twelve trillion, forty-four billion, three hundred twenty-six million, two hundred forty-four thousand, four hundred forty".