41543000042 has 8 divisors (see below), whose sum is σ = 62315446500. Its totient is φ = 20771184544.

The previous prime is 41543000003. The next prime is 41543000077. The reversal of 41543000042 is 24000034514.

It is a Cunningham number, because it is equal to 203821²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 41543000041 + 1 = 203821^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×41543000042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41542999981 and 41543000017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76334 + ... + 298182.

Almost surely, 2^41543000042 is an apocalyptic number.

41543000042 is a deficient number, since it is larger than the sum of its proper divisors (20772446458).

41543000042 is a wasteful number, since it uses less digits than its factorization.

41543000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315480.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 41543000042 its reverse (24000034514), we get a palindrome (65543034556).

The spelling of 41543000042 in words is "forty-one billion, five hundred forty-three million, forty-two", and thus it is an aban number.