42185206 has 16 divisors (see below), whose sum is σ = 76124160. Its totient is φ = 17127720.

The previous prime is 42185159. The next prime is 42185219. The reversal of 42185206 is 60258124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79030 + ... + 79561.

It is an arithmetic number, because the mean of its divisors is an integer number (4757760).

Almost surely, 2^42185206 is an apocalyptic number.

42185206 is a deficient number, since it is larger than the sum of its proper divisors (33938954).

42185206 is a wasteful number, since it uses less digits than its factorization.

42185206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158619.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 42185206 is about 6495.0139337803. The cubic root of 42185206 is about 348.1128525963.

The spelling of 42185206 in words is "forty-two million, one hundred eighty-five thousand, two hundred six".