42118190 has 8 divisors (see below), whose sum is σ = 75812760. Its totient is φ = 16847272.

The previous prime is 42118189. The next prime is 42118207. The reversal of 42118190 is 9181124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42118190² = 3547883857752200, which contains 22 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 2105900 + ... + 2105919.

It is an arithmetic number, because the mean of its divisors is an integer number (9476595).

Almost surely, 2^42118190 is an apocalyptic number.

42118190 is a deficient number, since it is larger than the sum of its proper divisors (33694570).

42118190 is a wasteful number, since it uses less digits than its factorization.

42118190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211826.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 42118190 is about 6489.8528488711. The cubic root of 42118190 is about 347.9284159362.

The spelling of 42118190 in words is "forty-two million, one hundred eighteen thousand, one hundred ninety".