42282578 has 16 divisors (see below), whose sum is σ = 68475456. Its totient is φ = 19465680.

The previous prime is 42282523. The next prime is 42282593. The reversal of 42282578 is 87528224.

It is a happy 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, 9683 + ... + 13353.

It is an arithmetic number, because the mean of its divisors is an integer number (4279716).

Almost surely, 2^42282578 is an apocalyptic number.

42282578 is a deficient number, since it is larger than the sum of its proper divisors (26192878).

42282578 is a wasteful number, since it uses less digits than its factorization.

42282578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129.

The product of its digits is 71680, while the sum is 38.

The square root of 42282578 is about 6502.5055171065. The cubic root of 42282578 is about 348.3804851097.

The spelling of 42282578 in words is "forty-two million, two hundred eighty-two thousand, five hundred seventy-eight".