42004202 has 4 divisors (see below), whose sum is σ = 63006306. Its totient is φ = 21002100.

The previous prime is 42004177. The next prime is 42004211. The reversal of 42004202 is 20240024.

It is a happy number.

42004202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 841 = 6481^2 + 29^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501049 + ... + 10501052.

Almost surely, 2^42004202 is an apocalyptic number.

42004202 is a deficient number, since it is larger than the sum of its proper divisors (21002104).

42004202 is a wasteful number, since it uses less digits than its factorization.

42004202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21002103.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 42004202 is about 6481.0648816379. The cubic root of 42004202 is about 347.6142563751.

Adding to 42004202 its reverse (20240024), we get a palindrome (62244226).

The spelling of 42004202 in words is "forty-two million, four thousand, two hundred two".