2144332323320 has 128 divisors (see below), whose sum is σ = 5374911168000. Its totient is φ = 763298465280.

The previous prime is 2144332323311. The next prime is 2144332323359. The reversal of 2144332323320 is 233232334412.

It is a happy number.

It is a super-2 number, since 2×2144332323320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10132751 + ... + 10342209.

It is an arithmetic number, because the mean of its divisors is an integer number (41991493500).

Almost surely, 2^{2144332323320} is an apocalyptic number.

2144332323320 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 2144332323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2687455584000).

2144332323320 is an abundant number, since it is smaller than the sum of its proper divisors (3230578844680).

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

2144332323320 is a wasteful number, since it uses less digits than its factorization.

2144332323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209973 (or 209969 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 2144332323320 its reverse (233232334412), we get a palindrome (2377564657732).

The spelling of 2144332323320 in words is "two trillion, one hundred forty-four billion, three hundred thirty-two million, three hundred twenty-three thousand, three hundred twenty".