42202636 has 24 divisors (see below), whose sum is σ = 89371296. Its totient is φ = 17022720.

The previous prime is 42202621. The next prime is 42202649. The reversal of 42202636 is 63620224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42202636.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43855 + ... + 44806.

It is an arithmetic number, because the mean of its divisors is an integer number (3723804).

Almost surely, 2^42202636 is an apocalyptic number.

It is an amenable number.

42202636 is an abundant number, since it is smaller than the sum of its proper divisors (47168660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42202636 is a wasteful number, since it uses less digits than its factorization.

42202636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88689 (or 88687 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 42202636 is about 6496.3555937156. The cubic root of 42202636 is about 348.1607901881.

The spelling of 42202636 in words is "forty-two million, two hundred two thousand, six hundred thirty-six".