42190108 has 24 divisors (see below), whose sum is σ = 78713600. Its totient is φ = 19729008.

The previous prime is 42190097. The next prime is 42190123. The reversal of 42190108 is 80109124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491 + ... + 9517.

Almost surely, 2^42190108 is an apocalyptic number.

It is an amenable number.

42190108 is a deficient number, since it is larger than the sum of its proper divisors (36523492).

42190108 is a wasteful number, since it uses less digits than its factorization.

42190108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129 (or 7127 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 42190108 is about 6495.3912892142. The cubic root of 42190108 is about 348.1263358627.

The spelling of 42190108 in words is "forty-two million, one hundred ninety thousand, one hundred eight".