4040204243 has 4 divisors (see below), whose sum is σ = 4040639160. Its totient is φ = 4039769328.

The previous prime is 4040204237. The next prime is 4040204261. The reversal of 4040204243 is 3424020404.

4040204243 is digitally balanced in base 3, 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-4040204243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4046204243) 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, 203213 + ... + 222206.

It is an arithmetic number, because the mean of its divisors is an integer number (1010159790).

Almost surely, 2^4040204243 is an apocalyptic number.

4040204243 is a deficient number, since it is larger than the sum of its proper divisors (434917).

4040204243 is an equidigital number, since it uses as much as digits as its factorization.

4040204243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434916.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4040204243 is about 63562.6009773043. The cubic root of 4040204243 is about 1592.7016872364.

Adding to 4040204243 its reverse (3424020404), we get a palindrome (7464224647).

The spelling of 4040204243 in words is "four billion, forty million, two hundred four thousand, two hundred forty-three".