43542530041 has 4 divisors (see below), whose sum is σ = 44155805184. Its totient is φ = 42929254900.

The previous prime is 43542530027. The next prime is 43542530047. The reversal of 43542530041 is 14003524534.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14003524534 = 2 ⋅7001762267.

It is a cyclic number.

It is not a de Polignac number, because 43542530041 - 2¹⁷ = 43542398969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43542529985 and 43542530012.

It is not an unprimeable number, because it can be changed into a prime (43542530047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306637465 + ... + 306637606.

It is an arithmetic number, because the mean of its divisors is an integer number (11038951296).

Almost surely, 2^43542530041 is an apocalyptic number.

It is an amenable number.

43542530041 is a deficient number, since it is larger than the sum of its proper divisors (613275143).

43542530041 is an equidigital number, since it uses as much as digits as its factorization.

43542530041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613275142.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 43542530041 in words is "forty-three billion, five hundred forty-two million, five hundred thirty thousand, forty-one".