42204663 has 12 divisors (see below), whose sum is σ = 61429368. Its totient is φ = 27920880.

The previous prime is 42204623. The next prime is 42204677. The reversal of 42204663 is 36640224.

It is a de Polignac number, because none of the positive numbers 2^k-42204663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16720 + ... + 19077.

It is an arithmetic number, because the mean of its divisors is an integer number (5119114).

Almost surely, 2^42204663 is an apocalyptic number.

42204663 is a deficient number, since it is larger than the sum of its proper divisors (19224705).

42204663 is a wasteful number, since it uses less digits than its factorization.

42204663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35934 (or 35931 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 42204663 is about 6496.5116023909. The cubic root of 42204663 is about 348.1663641734.

Adding to 42204663 its reverse (36640224), we get a palindrome (78844887).

The spelling of 42204663 in words is "forty-two million, two hundred four thousand, six hundred sixty-three".