42243612041 has 8 divisors (see below), whose sum is σ = 43866740904. Its totient is φ = 40648711680.

The previous prime is 42243612029. The next prime is 42243612071. The reversal of 42243612041 is 14021634224.

It can be written as a sum of positive squares in 4 ways, for example, as 670033225 + 41573578816 = 25885^2 + 203896^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42243612041 - 2¹⁰ = 42243611017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42243611995 and 42243612013.

It is not an unprimeable number, because it can be changed into a prime (42243612071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7054076 + ... + 7060061.

It is an arithmetic number, because the mean of its divisors is an integer number (5483342613).

Almost surely, 2^42243612041 is an apocalyptic number.

42243612041 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42243612041 is a deficient number, since it is larger than the sum of its proper divisors (1623128863).

42243612041 is a wasteful number, since it uses less digits than its factorization.

42243612041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14114251.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 42243612041 in words is "forty-two billion, two hundred forty-three million, six hundred twelve thousand, forty-one".