3440343243 has 32 divisors (see below), whose sum is σ = 5064192000. Its totient is φ = 2067775776.

The previous prime is 3440343223. The next prime is 3440343253. The reversal of 3440343243 is 3423430443.

It is not a de Polignac number, because 3440343243 - 2⁵ = 3440343211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3440343243.

It is not an unprimeable number, because it can be changed into a prime (3440343223) 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, 254296 + ... + 267482.

It is an arithmetic number, because the mean of its divisors is an integer number (158256000).

Almost surely, 2^3440343243 is an apocalyptic number.

3440343243 is a deficient number, since it is larger than the sum of its proper divisors (1623848757).

3440343243 is a wasteful number, since it uses less digits than its factorization.

3440343243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13431.

The product of its (nonzero) digits is 41472, while the sum is 30.

The square root of 3440343243 is about 58654.4392437606. The cubic root of 3440343243 is about 1509.6186694055.

Adding to 3440343243 its reverse (3423430443), we get a palindrome (6863773686).

The spelling of 3440343243 in words is "three billion, four hundred forty million, three hundred forty-three thousand, two hundred forty-three".