4421044040320 has 128 divisors (see below), whose sum is σ = 10736057882880. Its totient is φ = 1740559564800.

The previous prime is 4421044040291. The next prime is 4421044040333. The reversal of 4421044040320 is 230404401244.

It is a tau number, because it is divible by the number of its divisors (128).

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, 26863885 + ... + 27027955.

It is an arithmetic number, because the mean of its divisors is an integer number (83875452210).

Almost surely, 2^{4421044040320} is an apocalyptic number.

4421044040320 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 4421044040320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5368028941440).

4421044040320 is an abundant number, since it is smaller than the sum of its proper divisors (6315013842560).

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

4421044040320 is a wasteful number, since it uses less digits than its factorization.

4421044040320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164754 (or 164742 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 4421044040320 its reverse (230404401244), we get a palindrome (4651448441564).

The spelling of 4421044040320 in words is "four trillion, four hundred twenty-one billion, forty-four million, forty thousand, three hundred twenty".