4044144321 has 64 divisors (see below), whose sum is σ = 7068518400. Its totient is φ = 2237450688.

The previous prime is 4044144283. The next prime is 4044144353. The reversal of 4044144321 is 1234414404.

4044144321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4044144321 - 2¹¹ = 4044142273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4044143321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 744411 + ... + 749823.

It is an arithmetic number, because the mean of its divisors is an integer number (110445600).

Almost surely, 2^4044144321 is an apocalyptic number.

It is an amenable number.

4044144321 is a deficient number, since it is larger than the sum of its proper divisors (3024374079).

4044144321 is a wasteful number, since it uses less digits than its factorization.

4044144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555 (or 5549 counting only the distinct ones).

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

The square root of 4044144321 is about 63593.5871059339. The cubic root of 4044144321 is about 1593.2192625581.

Adding to 4044144321 its reverse (1234414404), we get a palindrome (5278558725).

The spelling of 4044144321 in words is "four billion, forty-four million, one hundred forty-four thousand, three hundred twenty-one".