2144344400120 has 64 divisors (see below), whose sum is σ = 5196553064640. Its totient is φ = 791660160000.

The previous prime is 2144344400111. The next prime is 2144344400141. The reversal of 2144344400120 is 210044434412.

It is a congruent number.

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, 4029620 + ... + 4530620.

It is an arithmetic number, because the mean of its divisors is an integer number (81196141635).

Almost surely, 2^{2144344400120} is an apocalyptic number.

2144344400120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144344400120 is an abundant number, since it is smaller than the sum of its proper divisors (3052208664520).

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

2144344400120 is a wasteful number, since it uses less digits than its factorization.

2144344400120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509256 (or 509252 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2144344400120 its reverse (210044434412), we get a palindrome (2354388834532).

The spelling of 2144344400120 in words is "two trillion, one hundred forty-four billion, three hundred forty-four million, four hundred thousand, one hundred twenty".