43443220422041 has 24 divisors (see below), whose sum is σ = 48979927689000. Its totient is φ = 38480464281600.

The previous prime is 43443220421989. The next prime is 43443220422067. The reversal of 43443220422041 is 14022402234434.

It can be written as a sum of positive squares in 4 ways, for example, as 690388162816 + 42752832259225 = 830896^2 + 6538565^2 .

It is not a de Polignac number, because 43443220422041 - 2³⁴ = 43426040552857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43443220421992 and 43443220422010.

It is not an unprimeable number, because it can be changed into a prime (43443220422841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1878716 + ... + 9508733.

It is an arithmetic number, because the mean of its divisors is an integer number (2040830320375).

Almost surely, 2^{43443220422041} is an apocalyptic number.

43443220422041 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

43443220422041 is a deficient number, since it is larger than the sum of its proper divisors (5536707266959).

43443220422041 is a wasteful number, since it uses less digits than its factorization.

43443220422041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11388281 (or 11388270 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 43443220422041 its reverse (14022402234434), we get a palindrome (57465622656475).

The spelling of 43443220422041 in words is "forty-three trillion, four hundred forty-three billion, two hundred twenty million, four hundred twenty-two thousand, forty-one".