43424402041 has 4 divisors (see below), whose sum is σ = 43424887284. Its totient is φ = 43423916800.

The previous prime is 43424402039. The next prime is 43424402059. The reversal of 43424402041 is 14020442434.

43424402041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14020442434 = 2 ⋅7010221217.

It can be written as a sum of positive squares in 2 ways, for example, as 33350064400 + 10074337641 = 182620^2 + 100371^2 .

It is a cyclic number.

It is not a de Polignac number, because 43424402041 - 2¹ = 43424402039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43424402741) 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, 65080 + ... + 301801.

It is an arithmetic number, because the mean of its divisors is an integer number (10856221821).

Almost surely, 2^43424402041 is an apocalyptic number.

It is an amenable number.

43424402041 is a deficient number, since it is larger than the sum of its proper divisors (485243).

43424402041 is a wasteful number, since it uses less digits than its factorization.

43424402041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485242.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 43424402041 its reverse (14020442434), we get a palindrome (57444844475).

The spelling of 43424402041 in words is "forty-three billion, four hundred twenty-four million, four hundred two thousand, forty-one".