42185196 has 18 divisors (see below), whose sum is σ = 106634892. Its totient is φ = 14061720.

The previous prime is 42185159. The next prime is 42185219. The reversal of 42185196 is 69158124.

42185196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1171811 = 42185196 / (4 + 2 + 1 + 8 + 5 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 42185196.

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 5 ways as a sum of consecutive naturals, for example, 585870 + ... + 585941.

Almost surely, 2^42185196 is an apocalyptic number.

It is an amenable number.

42185196 is an abundant number, since it is smaller than the sum of its proper divisors (64449696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42185196 is a wasteful number, since it uses less digits than its factorization.

42185196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171821 (or 1171816 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 42185196 is about 6495.0131639589. The cubic root of 42185196 is about 348.1128250896.

The spelling of 42185196 in words is "forty-two million, one hundred eighty-five thousand, one hundred ninety-six".