40200543 has 10 divisors (see below), whose sum is σ = 60052784. Its totient is φ = 26800308.

The previous prime is 40200539. The next prime is 40200551. The reversal of 40200543 is 34500204.

It is a happy number.

It is not a de Polignac number, because 40200543 - 2² = 40200539 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 (40200533) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 248071 + ... + 248232.

Almost surely, 2^40200543 is an apocalyptic number.

40200543 is a deficient number, since it is larger than the sum of its proper divisors (19852241).

40200543 is an equidigital number, since it uses as much as digits as its factorization.

40200543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496315 (or 496306 counting only the distinct ones).

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

The square root of 40200543 is about 6340.3898145146. The cubic root of 40200543 is about 342.5657763453.

Adding to 40200543 its reverse (34500204), we get a palindrome (74700747).

The spelling of 40200543 in words is "forty million, two hundred thousand, five hundred forty-three".