441243332321 has 4 divisors (see below), whose sum is σ = 481356362544. Its totient is φ = 401130302100.

The previous prime is 441243332317. The next prime is 441243332351. The reversal of 441243332321 is 123233342144.

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 not a de Polignac number, because 441243332321 - 2² = 441243332317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441243332351) 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, 20056515095 + ... + 20056515116.

It is an arithmetic number, because the mean of its divisors is an integer number (120339090636).

Almost surely, 2^441243332321 is an apocalyptic number.

It is an amenable number.

441243332321 is a deficient number, since it is larger than the sum of its proper divisors (40113030223).

441243332321 is a wasteful number, since it uses less digits than its factorization.

441243332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40113030222.

The product of its digits is 41472, while the sum is 32.

Adding to 441243332321 its reverse (123233342144), we get a palindrome (564476674465).

The spelling of 441243332321 in words is "four hundred forty-one billion, two hundred forty-three million, three hundred thirty-two thousand, three hundred twenty-one".