42440530241 has 2 divisors, whose sum is σ = 42440530242. Its totient is φ = 42440530240.

The previous prime is 42440530229. The next prime is 42440530259. The reversal of 42440530241 is 14203504424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39400662016 + 3039868225 = 198496^2 + 55135^2 .

It is a cyclic number.

It is not a de Polignac number, because 42440530241 - 2³⁰ = 41366788417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42440533241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220265120 + 21220265121.

It is an arithmetic number, because the mean of its divisors is an integer number (21220265121).

Almost surely, 2^42440530241 is an apocalyptic number.

It is an amenable number.

42440530241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42440530241 is an equidigital number, since it uses as much as digits as its factorization.

42440530241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 29.

The spelling of 42440530241 in words is "forty-two billion, four hundred forty million, five hundred thirty thousand, two hundred forty-one".