444444444441 has 48 divisors (see below), whose sum is σ = 660657069072. Its totient is φ = 287742873600.

The previous prime is 444444444401. The next prime is 444444444443. The reversal of 444444444441 is 144444444444.

It can be written as a sum of positive squares in 8 ways, for example, as 38447366400 + 405997078041 = 196080^2 + 637179^2 .

It is not a de Polignac number, because 444444444441 - 2⁶ = 444444444377 is a prime.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (444444444443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118170001 + ... + 118173761.

It is an arithmetic number, because the mean of its divisors is an integer number (13763688939).

Almost surely, 2^444444444441 is an apocalyptic number.

444444444441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

444444444441 is a deficient number, since it is larger than the sum of its proper divisors (216212624631).

444444444441 is a wasteful number, since it uses less digits than its factorization.

444444444441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194 (or 5191 counting only the distinct ones).

The product of its digits is 4194304, while the sum is 45.

Adding to 444444444441 its reverse (144444444444), we get a palindrome (588888888885).

The spelling of 444444444441 in words is "four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-one".