4040043343 has 16 divisors (see below), whose sum is σ = 4772275200. Its totient is φ = 3348359136.

The previous prime is 4040043299. The next prime is 4040043361. The reversal of 4040043343 is 3433400404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4040043343 - 2²¹ = 4037946191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040043383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46668 + ... + 101281.

It is an arithmetic number, because the mean of its divisors is an integer number (298267200).

Almost surely, 2^4040043343 is an apocalyptic number.

4040043343 is a deficient number, since it is larger than the sum of its proper divisors (732231857).

4040043343 is a wasteful number, since it uses less digits than its factorization.

4040043343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148086.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 4040043343 is about 63561.3352833309. The cubic root of 4040043343 is about 1592.6805439898.

Adding to 4040043343 its reverse (3433400404), we get a palindrome (7473443747).

The spelling of 4040043343 in words is "four billion, forty million, forty-three thousand, three hundred forty-three".