42008266 has 8 divisors (see below), whose sum is σ = 63046980. Its totient is φ = 20992608.

The previous prime is 42008261. The next prime is 42008293. The reversal of 42008266 is 66280024.

42008266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30305025 + 11703241 = 5505^2 + 3421^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42008261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 9166.

Almost surely, 2^42008266 is an apocalyptic number.

42008266 is a deficient number, since it is larger than the sum of its proper divisors (21038714).

42008266 is a wasteful number, since it uses less digits than its factorization.

42008266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11528.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 42008266 is about 6481.3784027782. The cubic root of 42008266 is about 347.6254668311.

The spelling of 42008266 in words is "forty-two million, eight thousand, two hundred sixty-six".