2340144533305 has 4 divisors (see below), whose sum is σ = 2808173439972. Its totient is φ = 1872115626640.

The previous prime is 2340144533257. The next prime is 2340144533327. The reversal of 2340144533305 is 5033354410432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 429963472656 + 1910181060649 = 655716^2 + 1382093^2 .

It is not a de Polignac number, because 2340144533305 - 2¹⁹ = 2340144009017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234014453326 + ... + 234014453335.

It is an arithmetic number, because the mean of its divisors is an integer number (702043359993).

Almost surely, 2^{2340144533305} is an apocalyptic number.

It is an amenable number.

2340144533305 is a deficient number, since it is larger than the sum of its proper divisors (468028906667).

2340144533305 is an equidigital number, since it uses as much as digits as its factorization.

2340144533305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468028906666.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 2340144533305 its reverse (5033354410432), we get a palindrome (7373498943737).

The spelling of 2340144533305 in words is "two trillion, three hundred forty billion, one hundred forty-four million, five hundred thirty-three thousand, three hundred five".