42540182 has 8 divisors (see below), whose sum is σ = 64059336. Its totient is φ = 21187072.

The previous prime is 42540167. The next prime is 42540191. The reversal of 42540182 is 28104524.

It is a happy number.

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

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, 40868 + ... + 41895.

It is an arithmetic number, because the mean of its divisors is an integer number (8007417).

Almost surely, 2^42540182 is an apocalyptic number.

42540182 is a deficient number, since it is larger than the sum of its proper divisors (21519154).

42540182 is a wasteful number, since it uses less digits than its factorization.

42540182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83022.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42540182 is about 6522.2834958318. The cubic root of 42540182 is about 349.0865487054.

The spelling of 42540182 in words is "forty-two million, five hundred forty thousand, one hundred eighty-two".