4340040243 has 32 divisors (see below), whose sum is σ = 7232758272. Its totient is φ = 2248896000.

The previous prime is 4340040227. The next prime is 4340040253. The reversal of 4340040243 is 3420400434.

It is a happy number.

It is not a de Polignac number, because 4340040243 - 2⁴ = 4340040227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4340040253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69205 + ... + 116057.

It is an arithmetic number, because the mean of its divisors is an integer number (226023696).

Almost surely, 2^4340040243 is an apocalyptic number.

4340040243 is a deficient number, since it is larger than the sum of its proper divisors (2892718029).

4340040243 is a wasteful number, since it uses less digits than its factorization.

4340040243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47275.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4340040243 is about 65878.9817999641. The cubic root of 4340040243 is about 1631.1650925933.

Adding to 4340040243 its reverse (3420400434), we get a palindrome (7760440677).

The spelling of 4340040243 in words is "four billion, three hundred forty million, forty thousand, two hundred forty-three".