42504202 has 16 divisors (see below), whose sum is σ = 68938632. Its totient is φ = 19537920.

The previous prime is 42504181. The next prime is 42504239. The reversal of 42504202 is 20240524.

It can be written as a sum of positive squares in 4 ways, for example, as 36348841 + 6155361 = 6029^2 + 2481^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42504202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3502 + ... + 9862.

Almost surely, 2^42504202 is an apocalyptic number.

42504202 is a deficient number, since it is larger than the sum of its proper divisors (26434430).

42504202 is a wasteful number, since it uses less digits than its factorization.

42504202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42504202 is about 6519.5246759254. The cubic root of 42504202 is about 348.9881031404.

Adding to 42504202 its reverse (20240524), we get a palindrome (62744726).

The spelling of 42504202 in words is "forty-two million, five hundred four thousand, two hundred two".