42182806 has 8 divisors (see below), whose sum is σ = 64468224. Its totient is φ = 20693400.

The previous prime is 42182801. The next prime is 42182807. The reversal of 42182806 is 60828124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42182801) by changing a digit.

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, 198870 + ... + 199081.

It is an arithmetic number, because the mean of its divisors is an integer number (8058528).

Almost surely, 2^42182806 is an apocalyptic number.

42182806 is a deficient number, since it is larger than the sum of its proper divisors (22285418).

42182806 is a wasteful number, since it uses less digits than its factorization.

42182806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398006.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 42182806 is about 6494.8291740430. The cubic root of 42182806 is about 348.1062508610.

The spelling of 42182806 in words is "forty-two million, one hundred eighty-two thousand, eight hundred six".