244220404400 has 120 divisors (see below), whose sum is σ = 672494576640. Its totient is φ = 83491073280.

The previous prime is 244220404369. The next prime is 244220404403. The reversal of 244220404400 is 4404022442.

244220404400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 244220404400.

It is not an unprimeable number, because it can be changed into a prime (244220404403) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 845921 + ... + 1097279.

It is an arithmetic number, because the mean of its divisors is an integer number (5604121472).

Almost surely, 2^244220404400 is an apocalyptic number.

244220404400 is a gapful number since it is divisible by the number (20) 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 244220404400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336247288320).

244220404400 is an abundant number, since it is smaller than the sum of its proper divisors (428274172240).

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

244220404400 is a wasteful number, since it uses less digits than its factorization.

244220404400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251731 (or 251720 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 244220404400 its reverse (4404022442), we get a palindrome (248624426842).

The spelling of 244220404400 in words is "two hundred forty-four billion, two hundred twenty million, four hundred four thousand, four hundred".