24204440243 has 4 divisors (see below), whose sum is σ = 24204789288. Its totient is φ = 24204091200.

The previous prime is 24204440231. The next prime is 24204440269. The reversal of 24204440243 is 34204440242.

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-24204440243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24204440543) 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, 31358 + ... + 222243.

It is an arithmetic number, because the mean of its divisors is an integer number (6051197322).

Almost surely, 2^24204440243 is an apocalyptic number.

24204440243 is a deficient number, since it is larger than the sum of its proper divisors (349045).

24204440243 is an equidigital number, since it uses as much as digits as its factorization.

24204440243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349044.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 24204440243 its reverse (34204440242), we get a palindrome (58408880485).

Subtracting 24204440243 from its reverse (34204440242), we obtain a palindrome (9999999999).

The spelling of 24204440243 in words is "twenty-four billion, two hundred four million, four hundred forty thousand, two hundred forty-three".