4340540043 has 12 divisors (see below), whose sum is σ = 7165336048. Its totient is φ = 2480308560.

The previous prime is 4340540021. The next prime is 4340540047. The reversal of 4340540043 is 3400450434.

4340540043 is a `hidden beast` number, since 43 + 40 + 540 + 0 + 43 = 666.

It is not a de Polignac number, because 4340540043 - 2⁶ = 4340539979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4340539989 and 4340540016.

It is not an unprimeable number, because it can be changed into a prime (4340540047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34448668 + ... + 34448793.

Almost surely, 2^4340540043 is an apocalyptic number.

4340540043 is a deficient number, since it is larger than the sum of its proper divisors (2824796005).

4340540043 is a wasteful number, since it uses less digits than its factorization.

4340540043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68897474 (or 68897471 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 4340540043 is about 65882.7750098613. The cubic root of 4340540043 is about 1631.2277053015.

Adding to 4340540043 its reverse (3400450434), we get a palindrome (7740990477).

The spelling of 4340540043 in words is "four billion, three hundred forty million, five hundred forty thousand, forty-three".