4044340243 has 4 divisors (see below), whose sum is σ = 4044557848. Its totient is φ = 4044122640.

The previous prime is 4044340211. The next prime is 4044340249. The reversal of 4044340243 is 3420434404.

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

It is a cyclic number.

It is not a de Polignac number, because 4044340243 - 2⁵ = 4044340211 is a prime.

It is a super-2 number, since 2×4044340243² = 32713376002298598098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044340249) 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, 78021 + ... + 119062.

It is an arithmetic number, because the mean of its divisors is an integer number (1011139462).

Almost surely, 2^4044340243 is an apocalyptic number.

4044340243 is a deficient number, since it is larger than the sum of its proper divisors (217605).

4044340243 is a wasteful number, since it uses less digits than its factorization.

4044340243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217604.

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

The square root of 4044340243 is about 63595.1275098965. The cubic root of 4044340243 is about 1593.2449904286.

Adding to 4044340243 its reverse (3420434404), we get a palindrome (7464774647).

The spelling of 4044340243 in words is "four billion, forty-four million, three hundred forty thousand, two hundred forty-three".