200040543 has 8 divisors (see below), whose sum is σ = 296356400. Its totient is φ = 133360344.

The previous prime is 200040509. The next prime is 200040557. The reversal of 200040543 is 345040002.

It is a happy number.

It is not a de Polignac number, because 200040543 - 2¹⁶ = 199975007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200040443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3704428 + ... + 3704481.

It is an arithmetic number, because the mean of its divisors is an integer number (37044550).

Almost surely, 2^200040543 is an apocalyptic number.

200040543 is a deficient number, since it is larger than the sum of its proper divisors (96315857).

200040543 is an equidigital number, since it uses as much as digits as its factorization.

200040543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408918 (or 7408912 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 200040543 is about 14143.5689626063. The cubic root of 200040543 is about 584.8430611231.

Adding to 200040543 its reverse (345040002), we get a palindrome (545080545).

The spelling of 200040543 in words is "two hundred million, forty thousand, five hundred forty-three".