320240103540005 has 32 divisors (see below), whose sum is σ = 423317442981888. Its totient is φ = 230627685153600.

The previous prime is 320240103539999. The next prime is 320240103540047. The reversal of 320240103540005 is 500045301042023.

It is a happy number.

It is not a de Polignac number, because 320240103540005 - 2¹⁰ = 320240103538981 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 320240103540005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99289370 + ... + 102463940.

It is an arithmetic number, because the mean of its divisors is an integer number (13228670093184).

Almost surely, 2^{320240103540005} is an apocalyptic number.

It is an amenable number.

320240103540005 is a deficient number, since it is larger than the sum of its proper divisors (103077339441883).

320240103540005 is a wasteful number, since it uses less digits than its factorization.

320240103540005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192497.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 320240103540005 its reverse (500045301042023), we get a palindrome (820285404582028).

The spelling of 320240103540005 in words is "three hundred twenty trillion, two hundred forty billion, one hundred three million, five hundred forty thousand, five".