42065210 has 32 divisors (see below), whose sum is σ = 82900800. Its totient is φ = 15240960.

The previous prime is 42065203. The next prime is 42065249. The reversal of 42065210 is 1256024.

It is a happy number.

42065210 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, 41186 + ... + 42194.

It is an arithmetic number, because the mean of its divisors is an integer number (2590650).

Almost surely, 2^42065210 is an apocalyptic number.

42065210 is a deficient number, since it is larger than the sum of its proper divisors (40835590).

42065210 is a wasteful number, since it uses less digits than its factorization.

42065210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42065210 is about 6485.7698078177. The cubic root of 42065210 is about 347.7824696371.

The spelling of 42065210 in words is "forty-two million, sixty-five thousand, two hundred ten".