4140030443 has 4 divisors (see below), whose sum is σ = 4157799048. Its totient is φ = 4122261840.

The previous prime is 4140030397. The next prime is 4140030469. The reversal of 4140030443 is 3440300414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4140030443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4140030143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8883953 + ... + 8884418.

It is an arithmetic number, because the mean of its divisors is an integer number (1039449762).

Almost surely, 2^4140030443 is an apocalyptic number.

4140030443 is a deficient number, since it is larger than the sum of its proper divisors (17768605).

4140030443 is a wasteful number, since it uses less digits than its factorization.

4140030443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17768604.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4140030443 is about 64343.0683368457. The cubic root of 4140030443 is about 1605.7127094181.

Adding to 4140030443 its reverse (3440300414), we get a palindrome (7580330857).

The spelling of 4140030443 in words is "four billion, one hundred forty million, thirty thousand, four hundred forty-three".