441320401 has 2 divisors, whose sum is σ = 441320402. Its totient is φ = 441320400.

The previous prime is 441320393. The next prime is 441320443. The reversal of 441320401 is 104023144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231070401 + 210250000 = 15201^2 + 14500^2 .

It is a cyclic number.

It is not a de Polignac number, because 441320401 - 2³ = 441320393 is a prime.

It is not a weakly prime, because it can be changed into another prime (441320501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220660200 + 220660201.

It is an arithmetic number, because the mean of its divisors is an integer number (220660201).

Almost surely, 2^441320401 is an apocalyptic number.

It is an amenable number.

441320401 is a deficient number, since it is larger than the sum of its proper divisors (1).

441320401 is an equidigital number, since it uses as much as digits as its factorization.

441320401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 441320401 is about 21007.6272101349. The cubic root of 441320401 is about 761.3505539162.

Adding to 441320401 its reverse (104023144), we get a palindrome (545343545).

The spelling of 441320401 in words is "four hundred forty-one million, three hundred twenty thousand, four hundred one".