42636041 has 4 divisors (see below), whose sum is σ = 48726912. Its totient is φ = 36545172.

The previous prime is 42636031. The next prime is 42636071. The reversal of 42636041 is 14063624.

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.

It is a cyclic number.

It is not a de Polignac number, because 42636041 - 2⁶ = 42635977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42636041.

It is not an unprimeable number, because it can be changed into a prime (42636001) 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, 3045425 + ... + 3045438.

It is an arithmetic number, because the mean of its divisors is an integer number (12181728).

Almost surely, 2^42636041 is an apocalyptic number.

It is an amenable number.

42636041 is a deficient number, since it is larger than the sum of its proper divisors (6090871).

42636041 is an equidigital number, since it uses as much as digits as its factorization.

42636041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090870.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42636041 is about 6529.6279373330. The cubic root of 42636041 is about 349.3485596823.

Adding to 42636041 its reverse (14063624), we get a palindrome (56699665).

The spelling of 42636041 in words is "forty-two million, six hundred thirty-six thousand, forty-one".