4431021144401 has 16 divisors (see below), whose sum is σ = 4681499371200. Its totient is φ = 4182273849600.

The previous prime is 4431021144391. The next prime is 4431021144427. The reversal of 4431021144401 is 1044411201344.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4431021144401 - 2¹⁸ = 4431020882257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431021144001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39885590 + ... + 39996528.

It is an arithmetic number, because the mean of its divisors is an integer number (292593710700).

Almost surely, 2^{4431021144401} is an apocalyptic number.

It is an amenable number.

4431021144401 is a deficient number, since it is larger than the sum of its proper divisors (250478226799).

4431021144401 is a wasteful number, since it uses less digits than its factorization.

4431021144401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118720.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 4431021144401 its reverse (1044411201344), we get a palindrome (5475432345745).

The spelling of 4431021144401 in words is "four trillion, four hundred thirty-one billion, twenty-one million, one hundred forty-four thousand, four hundred one".