4044400021143 has 6 divisors (see below), whose sum is σ = 5841911141664. Its totient is φ = 2696266680756.

The previous prime is 4044400021093. The next prime is 4044400021199. The reversal of 4044400021143 is 3411200044404.

4044400021143 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 400 + 0 + 211 + 43 = 666.

It is not a de Polignac number, because 4044400021143 - 2²⁸ = 4044131585687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044400021643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224688890055 + ... + 224688890072.

It is an arithmetic number, because the mean of its divisors is an integer number (973651856944).

Almost surely, 2^{4044400021143} is an apocalyptic number.

4044400021143 is a deficient number, since it is larger than the sum of its proper divisors (1797511120521).

4044400021143 is a wasteful number, since it uses less digits than its factorization.

4044400021143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449377780133 (or 449377780130 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4044400021143 its reverse (3411200044404), we get a palindrome (7455600065547).

The spelling of 4044400021143 in words is "four trillion, forty-four billion, four hundred million, twenty-one thousand, one hundred forty-three".