2340403265 has 4 divisors (see below), whose sum is σ = 2808483924. Its totient is φ = 1872322608.

The previous prime is 2340403259. The next prime is 2340403267. The reversal of 2340403265 is 5623040432.

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 1382129329 + 958273936 = 37177^2 + 30956^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340403265 - 2¹⁰ = 2340402241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2340403267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234040322 + ... + 234040331.

It is an arithmetic number, because the mean of its divisors is an integer number (702120981).

Almost surely, 2^2340403265 is an apocalyptic number.

It is an amenable number.

2340403265 is a deficient number, since it is larger than the sum of its proper divisors (468080659).

2340403265 is an equidigital number, since it uses as much as digits as its factorization.

2340403265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468080658.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2340403265 is about 48377.7145491599. The cubic root of 2340403265 is about 1327.6906548980.

Adding to 2340403265 its reverse (5623040432), we get a palindrome (7963443697).

The spelling of 2340403265 in words is "two billion, three hundred forty million, four hundred three thousand, two hundred sixty-five".