441221404431 has 8 divisors (see below), whose sum is σ = 588333901824. Its totient is φ = 294128255000.

The previous prime is 441221404417. The next prime is 441221404447. The reversal of 441221404431 is 134404122144.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 441221404431 - 2¹⁸ = 441221142287 is a prime.

It is a super-2 number, since 2×441221404431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441221404411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4783695 + ... + 4875056.

It is an arithmetic number, because the mean of its divisors is an integer number (73541737728).

Almost surely, 2^441221404431 is an apocalyptic number.

441221404431 is a deficient number, since it is larger than the sum of its proper divisors (147112497393).

441221404431 is a wasteful number, since it uses less digits than its factorization.

441221404431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673981.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 441221404431 its reverse (134404122144), we get a palindrome (575625526575).

The spelling of 441221404431 in words is "four hundred forty-one billion, two hundred twenty-one million, four hundred four thousand, four hundred thirty-one".