42442566 has 8 divisors (see below), whose sum is σ = 84885144. Its totient is φ = 14147520.

The previous prime is 42442541. The next prime is 42442571. The reversal of 42442566 is 66524424.

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

42442566 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536875 + ... + 3536886.

It is an arithmetic number, because the mean of its divisors is an integer number (10610643).

Almost surely, 2^42442566 is an apocalyptic number.

42442566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42442566 is a wasteful number, since it uses less digits than its factorization.

42442566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073766.

The product of its digits is 46080, while the sum is 33.

The square root of 42442566 is about 6514.7959292675. The cubic root of 42442566 is about 348.8193305208.

The spelling of 42442566 in words is "forty-two million, four hundred forty-two thousand, five hundred sixty-six".