2340340443 has 48 divisors (see below), whose sum is σ = 3995836416. Its totient is φ = 1291671360.

The previous prime is 2340340427. The next prime is 2340340469. The reversal of 2340340443 is 3440430432.

It is not a de Polignac number, because 2340340443 - 2⁴ = 2340340427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2340340543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1477630 + ... + 1479212.

It is an arithmetic number, because the mean of its divisors is an integer number (83246592).

Almost surely, 2^2340340443 is an apocalyptic number.

2340340443 is a deficient number, since it is larger than the sum of its proper divisors (1655495973).

2340340443 is a wasteful number, since it uses less digits than its factorization.

2340340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384 (or 2381 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 2340340443 is about 48377.0652582399. The cubic root of 2340340443 is about 1327.6787753316.

Adding to 2340340443 its reverse (3440430432), we get a palindrome (5780770875).

The spelling of 2340340443 in words is "two billion, three hundred forty million, three hundred forty thousand, four hundred forty-three".