444444241 has 6 divisors (see below), whose sum is σ = 459244626. Its totient is φ = 430106400.

The previous prime is 444444239. The next prime is 444444251. The reversal of 444444241 is 142444444.

It can be written as a sum of positive squares in only one way, i.e., 444366400 + 77841 = 21080^2 + 279^2 .

It is not a de Polignac number, because 444444241 - 2¹ = 444444239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230280 + ... + 232201.

It is an arithmetic number, because the mean of its divisors is an integer number (76540771).

Almost surely, 2^444444241 is an apocalyptic number.

It is an amenable number.

444444241 is a deficient number, since it is larger than the sum of its proper divisors (14800385).

444444241 is an equidigital number, since it uses as much as digits as its factorization.

444444241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462543 (or 462512 counting only the distinct ones).

The product of its digits is 32768, while the sum is 31.

The square root of 444444241 is about 21081.8462426800. The cubic root of 444444241 is about 763.1427119260.

Adding to 444444241 its reverse (142444444), we get a palindrome (586888685).

The spelling of 444444241 in words is "four hundred forty-four million, four hundred forty-four thousand, two hundred forty-one".