2240344243 has 8 divisors (see below), whose sum is σ = 2247892928. Its totient is φ = 2232809064.

The previous prime is 2240344229. The next prime is 2240344259. The reversal of 2240344243 is 3424430422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2240344243 - 2²⁵ = 2206789811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240344213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408880 + ... + 414322.

It is an arithmetic number, because the mean of its divisors is an integer number (280986616).

Almost surely, 2^2240344243 is an apocalyptic number.

2240344243 is a deficient number, since it is larger than the sum of its proper divisors (7548685).

2240344243 is an equidigital number, since it uses as much as digits as its factorization.

2240344243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6753.

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 2240344243 is about 47332.2748555359. The cubic root of 2240344243 is about 1308.4935469327.

Adding to 2240344243 its reverse (3424430422), we get a palindrome (5664774665).

The spelling of 2240344243 in words is "two billion, two hundred forty million, three hundred forty-four thousand, two hundred forty-three".