320441305441 has 8 divisors (see below), whose sum is σ = 321017011560. Its totient is φ = 319865949312.

The previous prime is 320441305403. The next prime is 320441305529. The reversal of 320441305441 is 144503144023.

It can be written as a sum of positive squares in 4 ways, for example, as 4928400 + 320436377041 = 2220^2 + 566071^2 .

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 320441305441 - 2²¹ = 320439208289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320441365441) 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, 1780971 + ... + 1952623.

It is an arithmetic number, because the mean of its divisors is an integer number (40127126445).

Almost surely, 2^320441305441 is an apocalyptic number.

It is an amenable number.

320441305441 is a deficient number, since it is larger than the sum of its proper divisors (575706119).

320441305441 is a wasteful number, since it uses less digits than its factorization.

320441305441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174995.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 320441305441 its reverse (144503144023), we get a palindrome (464944449464).

The spelling of 320441305441 in words is "three hundred twenty billion, four hundred forty-one million, three hundred five thousand, four hundred forty-one".