2144443143040 has 128 divisors (see below), whose sum is σ = 5595447431520. Its totient is φ = 779401912320.

The previous prime is 2144443143023. The next prime is 2144443143043. The reversal of 2144443143040 is 403413444412.

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

It is a junction number, because it is equal to n+sod(n) for n = 2144443142987 and 2144443143005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144443143043) 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 15 ways as a sum of consecutive naturals, for example, 13982614 + ... + 14135146.

Almost surely, 2^{2144443143040} is an apocalyptic number.

2144443143040 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 2144443143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2797723715760).

2144443143040 is an abundant number, since it is smaller than the sum of its proper divisors (3451004288480).

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

2144443143040 is a wasteful number, since it uses less digits than its factorization.

2144443143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154560 (or 154548 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 2144443143040 its reverse (403413444412), we get a palindrome (2547856587452).

The spelling of 2144443143040 in words is "two trillion, one hundred forty-four billion, four hundred forty-three million, one hundred forty-three thousand, forty".