4322540243 has 12 divisors (see below), whose sum is σ = 5046831072. Its totient is φ = 3691351440.

The previous prime is 4322540203. The next prime is 4322540263. The reversal of 4322540243 is 3420452234.

It is a happy number.

It is not a de Polignac number, because 4322540243 - 2⁶ = 4322540179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4322540203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149480 + ... + 176037.

It is an arithmetic number, because the mean of its divisors is an integer number (420569256).

Almost surely, 2^4322540243 is an apocalyptic number.

4322540243 is a deficient number, since it is larger than the sum of its proper divisors (724290829).

4322540243 is a wasteful number, since it uses less digits than its factorization.

4322540243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325802 (or 325795 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 4322540243 is about 65746.0283439236. The cubic root of 4322540243 is about 1628.9697333492.

Adding to 4322540243 its reverse (3420452234), we get a palindrome (7742992477).

The spelling of 4322540243 in words is "four billion, three hundred twenty-two million, five hundred forty thousand, two hundred forty-three".