3042440243 has 4 divisors (see below), whose sum is σ = 3046781088. Its totient is φ = 3038099400.

The previous prime is 3042440231. The next prime is 3042440251. The reversal of 3042440243 is 3420442403.

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 3042440243 - 2²⁸ = 2774004787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3042440213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2169371 + ... + 2170772.

It is an arithmetic number, because the mean of its divisors is an integer number (761695272).

Almost surely, 2^3042440243 is an apocalyptic number.

3042440243 is a deficient number, since it is larger than the sum of its proper divisors (4340845).

3042440243 is an equidigital number, since it uses as much as digits as its factorization.

3042440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340844.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 3042440243 is about 55158.3197985580. The cubic root of 3042440243 is about 1449.0187960259.

Adding to 3042440243 its reverse (3420442403), we get a palindrome (6462882646).

The spelling of 3042440243 in words is "three billion, forty-two million, four hundred forty thousand, two hundred forty-three".