2444440243 has 4 divisors (see below), whose sum is σ = 2793646000. Its totient is φ = 2095234488.

The previous prime is 2444440223. The next prime is 2444440267. The reversal of 2444440243 is 3420444442.

2444440243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2444440243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2444440223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174602868 + ... + 174602881.

It is an arithmetic number, because the mean of its divisors is an integer number (698411500).

Almost surely, 2^2444440243 is an apocalyptic number.

2444440243 is a deficient number, since it is larger than the sum of its proper divisors (349205757).

2444440243 is an equidigital number, since it uses as much as digits as its factorization.

2444440243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349205756.

The product of its (nonzero) digits is 49152, while the sum is 31.

The square root of 2444440243 is about 49441.2807580872. The cubic root of 2444440243 is about 1347.0792350988.

Adding to 2444440243 its reverse (3420444442), we get a palindrome (5864884685).

The spelling of 2444440243 in words is "two billion, four hundred forty-four million, four hundred forty thousand, two hundred forty-three".