320040440103 has 16 divisors (see below), whose sum is σ = 428701176800. Its totient is φ = 212370508800.

The previous prime is 320040440077. The next prime is 320040440201. The reversal of 320040440103 is 301044040023.

It is not a de Polignac number, because 320040440103 - 2⁶ = 320040440039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320040440103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320040440303) 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, 2527503 + ... + 2651103.

It is an arithmetic number, because the mean of its divisors is an integer number (26793823550).

Almost surely, 2^320040440103 is an apocalyptic number.

320040440103 is a deficient number, since it is larger than the sum of its proper divisors (108660736697).

320040440103 is a wasteful number, since it uses less digits than its factorization.

320040440103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127602.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 320040440103 its reverse (301044040023), we get a palindrome (621084480126).

The spelling of 320040440103 in words is "three hundred twenty billion, forty million, four hundred forty thousand, one hundred three".