42404440041 has 24 divisors (see below), whose sum is σ = 61893861120. Its totient is φ = 27973188000.

The previous prime is 42404440033. The next prime is 42404440139. The reversal of 42404440041 is 14004440424.

It is not a de Polignac number, because 42404440041 - 2³ = 42404440033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42404439987 and 42404440014.

It is not an unprimeable number, because it can be changed into a prime (42404440241) 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, 1633320 + ... + 1659078.

It is an arithmetic number, because the mean of its divisors is an integer number (2578910880).

Almost surely, 2^42404440041 is an apocalyptic number.

It is an amenable number.

42404440041 is a deficient number, since it is larger than the sum of its proper divisors (19489421079).

42404440041 is a wasteful number, since it uses less digits than its factorization.

42404440041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27677 (or 27674 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 42404440041 its reverse (14004440424), we get a palindrome (56408880465).

The spelling of 42404440041 in words is "forty-two billion, four hundred four million, four hundred forty thousand, forty-one".