240013040321 has 2 divisors, whose sum is σ = 240013040322. Its totient is φ = 240013040320.

The previous prime is 240013040297. The next prime is 240013040383. The reversal of 240013040321 is 123040310042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183813700225 + 56199340096 = 428735^2 + 237064^2 .

It is a cyclic number.

It is not a de Polignac number, because 240013040321 - 2²⁶ = 239945931457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240013040293 and 240013040302.

It is not a weakly prime, because it can be changed into another prime (240013046321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120006520160 + 120006520161.

It is an arithmetic number, because the mean of its divisors is an integer number (120006520161).

Almost surely, 2^240013040321 is an apocalyptic number.

It is an amenable number.

240013040321 is a deficient number, since it is larger than the sum of its proper divisors (1).

240013040321 is an equidigital number, since it uses as much as digits as its factorization.

240013040321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 240013040321 its reverse (123040310042), we get a palindrome (363053350363).

The spelling of 240013040321 in words is "two hundred forty billion, thirteen million, forty thousand, three hundred twenty-one".