4444021441 has 4 divisors (see below), whose sum is σ = 4497563952. Its totient is φ = 4390478932.

The previous prime is 4444021427. The next prime is 4444021501. The reversal of 4444021441 is 1441204444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4444021441 - 2²⁷ = 4309803713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444025441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26771131 + ... + 26771296.

It is an arithmetic number, because the mean of its divisors is an integer number (1124390988).

Almost surely, 2^4444021441 is an apocalyptic number.

It is an amenable number.

4444021441 is a deficient number, since it is larger than the sum of its proper divisors (53542511).

4444021441 is an equidigital number, since it uses as much as digits as its factorization.

4444021441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53542510.

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 4444021441 is about 66663.4940653428. The cubic root of 4444021441 is about 1644.0892204220.

Adding to 4444021441 its reverse (1441204444), we get a palindrome (5885225885).

The spelling of 4444021441 in words is "four billion, four hundred forty-four million, twenty-one thousand, four hundred forty-one".