42444043241 has 4 divisors (see below), whose sum is σ = 42444473232. Its totient is φ = 42443613252.

The previous prime is 42444043237. The next prime is 42444043249. The reversal of 42444043241 is 14234044424.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42444043241 - 2² = 42444043237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42444043198 and 42444043207.

It is not an unprimeable number, because it can be changed into a prime (42444043249) 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, 15290 + ... + 291756.

It is an arithmetic number, because the mean of its divisors is an integer number (10611118308).

Almost surely, 2^42444043241 is an apocalyptic number.

It is an amenable number.

42444043241 is a deficient number, since it is larger than the sum of its proper divisors (429991).

42444043241 is a wasteful number, since it uses less digits than its factorization.

42444043241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429990.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 42444043241 its reverse (14234044424), we get a palindrome (56678087665).

The spelling of 42444043241 in words is "forty-two billion, four hundred forty-four million, forty-three thousand, two hundred forty-one".