444241441404421 has 12 divisors (see below), whose sum is σ = 449419421853444. Its totient is φ = 439120302364800.

The previous prime is 444241441404407. The next prime is 444241441404437. The reversal of 444241441404421 is 124404144142444.

It can be written as a sum of positive squares in 6 ways, for example, as 33304891139521 + 410936550264900 = 5771039^2 + 20271570^2 .

It is not a de Polignac number, because 444241441404421 - 2³⁹ = 443691685590533 is a prime.

It is a super-2 number, since 2×444241441404421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444241441404491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39405360 + ... + 49409161.

It is an arithmetic number, because the mean of its divisors is an integer number (37451618487787).

Almost surely, 2^{444241441404421} is an apocalyptic number.

It is an amenable number.

444241441404421 is a deficient number, since it is larger than the sum of its proper divisors (5177980449023).

444241441404421 is an equidigital number, since it uses as much as digits as its factorization.

444241441404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88815160 (or 88815051 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 43.

Adding to 444241441404421 its reverse (124404144142444), we get a palindrome (568645585546865).

The spelling of 444241441404421 in words is "four hundred forty-four trillion, two hundred forty-one billion, four hundred forty-one million, four hundred four thousand, four hundred twenty-one".