42660041 has 8 divisors (see below), whose sum is σ = 43200000. Its totient is φ = 42123760.

The previous prime is 42660031. The next prime is 42660053. The reversal of 42660041 is 14006624.

It is a happy number.

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 42660041 - 2⁶ = 42659977 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 = 42659989 and 42660016.

It is not an unprimeable number, because it can be changed into a prime (42660031) 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, 27710 + ... + 29208.

It is an arithmetic number, because the mean of its divisors is an integer number (5400000).

Almost surely, 2^42660041 is an apocalyptic number.

It is an amenable number.

42660041 is a deficient number, since it is larger than the sum of its proper divisors (539959).

42660041 is a wasteful number, since it uses less digits than its factorization.

42660041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 42660041 is about 6531.4654557764. The cubic root of 42660041 is about 349.4140972926.

Adding to 42660041 its reverse (14006624), we get a palindrome (56666665).

The spelling of 42660041 in words is "forty-two million, six hundred sixty thousand, forty-one".