2340441243 has 24 divisors (see below), whose sum is σ = 4033415760. Its totient is φ = 1337394240.

The previous prime is 2340441239. The next prime is 2340441269. The reversal of 2340441243 is 3421440432.

It is a happy number.

It is not a de Polignac number, because 2340441243 - 2² = 2340441239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2340441203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 883198 + ... + 885843.

It is an arithmetic number, because the mean of its divisors is an integer number (168058990).

Almost surely, 2^2340441243 is an apocalyptic number.

2340441243 is a deficient number, since it is larger than the sum of its proper divisors (1692974517).

2340441243 is a wasteful number, since it uses less digits than its factorization.

2340441243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769064 (or 1769051 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2340441243 is about 48378.1070630094. The cubic root of 2340441243 is about 1327.6978363902.

Adding to 2340441243 its reverse (3421440432), we get a palindrome (5761881675).

The spelling of 2340441243 in words is "two billion, three hundred forty million, four hundred forty-one thousand, two hundred forty-three".