320304040441 has 16 divisors (see below), whose sum is σ = 402388512768. Its totient is φ = 247682307600.

The previous prime is 320304040339. The next prime is 320304040471. The reversal of 320304040441 is 144040403023.

It is not a de Polignac number, because 320304040441 - 2²³ = 320295651833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320304040471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15866985 + ... + 15887158.

It is an arithmetic number, because the mean of its divisors is an integer number (25149282048).

Almost surely, 2^320304040441 is an apocalyptic number.

It is an amenable number.

320304040441 is a deficient number, since it is larger than the sum of its proper divisors (82084472327).

320304040441 is a wasteful number, since it uses less digits than its factorization.

320304040441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31754292.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 320304040441 its reverse (144040403023), we get a palindrome (464344443464).

The spelling of 320304040441 in words is "three hundred twenty billion, three hundred four million, forty thousand, four hundred forty-one".