2044223665120 has 384 divisors, whose sum is σ = 5983844751360. Its totient is φ = 642640158720.

The previous prime is 2044223665109. The next prime is 2044223665157. The reversal of 2044223665120 is 215663224402.

It is a super-2 number, since 2×2044223665120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2044223665120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1923069709 + ... + 1923070771.

It is an arithmetic number, because the mean of its divisors is an integer number (15582929040).

Almost surely, 2^{2044223665120} is an apocalyptic number.

2044223665120 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 2044223665120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2991922375680).

2044223665120 is an abundant number, since it is smaller than the sum of its proper divisors (3939621086240).

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

2044223665120 is a wasteful number, since it uses less digits than its factorization.

2044223665120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 2044223665120 its reverse (215663224402), we get a palindrome (2259886889522).

The spelling of 2044223665120 in words is "two trillion, forty-four billion, two hundred twenty-three million, six hundred sixty-five thousand, one hundred twenty".