42442130 has 32 divisors (see below), whose sum is σ = 80400384. Its totient is φ = 16099776.

The previous prime is 42442129. The next prime is 42442157. The reversal of 42442130 is 3124424.

42442130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 15 ways as a sum of consecutive naturals, for example, 28484 + ... + 29936.

It is an arithmetic number, because the mean of its divisors is an integer number (2512512).

Almost surely, 2^42442130 is an apocalyptic number.

42442130 is a deficient number, since it is larger than the sum of its proper divisors (37958254).

42442130 is a wasteful number, since it uses less digits than its factorization.

42442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42442130 is about 6514.7624668901. The cubic root of 42442130 is about 348.8181360772.

Adding to 42442130 its reverse (3124424), we get a palindrome (45566554).

The spelling of 42442130 in words is "forty-two million, four hundred forty-two thousand, one hundred thirty".