42566208 has 112 divisors (see below), whose sum is σ = 118506240. Its totient is φ = 13471744.

The previous prime is 42566203. The next prime is 42566231. The reversal of 42566208 is 80266524.

It is not an unprimeable number, because it can be changed into a prime (42566203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478228 + ... + 478316.

Almost surely, 2^42566208 is an apocalyptic number.

42566208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42566208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59253120).

42566208 is an abundant number, since it is smaller than the sum of its proper divisors (75940032).

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

42566208 is a wasteful number, since it uses less digits than its factorization.

42566208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 42566208 is about 6524.2783508983. The cubic root of 42566208 is about 349.1577243479.

The spelling of 42566208 in words is "forty-two million, five hundred sixty-six thousand, two hundred eight".