42210436 has 12 divisors (see below), whose sum is σ = 74051740. Its totient is φ = 21052800.

The previous prime is 42210431. The next prime is 42210521. The reversal of 42210436 is 63401224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31360000 + 10850436 = 5600^2 + 3294^2 .

It is not an unprimeable number, because it can be changed into a prime (42210431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11265 + ... + 14536.

Almost surely, 2^42210436 is an apocalyptic number.

It is an amenable number.

42210436 is a deficient number, since it is larger than the sum of its proper divisors (31841304).

42210436 is a wasteful number, since it uses less digits than its factorization.

42210436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26214 (or 26212 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42210436 is about 6496.9559025747. The cubic root of 42210436 is about 348.1822381917.

The spelling of 42210436 in words is "forty-two million, two hundred ten thousand, four hundred thirty-six".