43442841 has 32 divisors (see below), whose sum is σ = 65560320. Its totient is φ = 25401600.

The previous prime is 43442831. The next prime is 43442843. The reversal of 43442841 is 14824434.

43442841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43442841 - 2⁵ = 43442809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43442799 and 43442808.

It is not an unprimeable number, because it can be changed into a prime (43442843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80031 + ... + 80571.

It is an arithmetic number, because the mean of its divisors is an integer number (2048760).

Almost surely, 2^43442841 is an apocalyptic number.

It is an amenable number.

43442841 is a deficient number, since it is larger than the sum of its proper divisors (22117479).

43442841 is a wasteful number, since it uses less digits than its factorization.

43442841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its digits is 12288, while the sum is 30.

The square root of 43442841 is about 6591.1183421328. The cubic root of 43442841 is about 351.5383739730.

The spelling of 43442841 in words is "forty-three million, four hundred forty-two thousand, eight hundred forty-one".