4144403321 has 8 divisors (see below), whose sum is σ = 4158497280. Its totient is φ = 4130332992.

The previous prime is 4144403309. The next prime is 4144403357. The reversal of 4144403321 is 1233044414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4144403321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4144403371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388961 + ... + 399473.

It is an arithmetic number, because the mean of its divisors is an integer number (519812160).

Almost surely, 2^4144403321 is an apocalyptic number.

It is an amenable number.

4144403321 is a deficient number, since it is larger than the sum of its proper divisors (14093959).

4144403321 is a wasteful number, since it uses less digits than its factorization.

4144403321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11815.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4144403321 is about 64377.0403249481. The cubic root of 4144403321 is about 1606.2778514028.

Adding to 4144403321 its reverse (1233044414), we get a palindrome (5377447735).

The spelling of 4144403321 in words is "four billion, one hundred forty-four million, four hundred three thousand, three hundred twenty-one".