42008659 has 12 divisors (see below), whose sum is σ = 52772272. Its totient is φ = 32733360.

The previous prime is 42008621. The next prime is 42008671. The reversal of 42008659 is 95680024.

It is a happy number.

It is not a de Polignac number, because 42008659 - 2⁹ = 42008147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42008609) 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 11 ways as a sum of consecutive naturals, for example, 23952 + ... + 25645.

Almost surely, 2^42008659 is an apocalyptic number.

42008659 is a deficient number, since it is larger than the sum of its proper divisors (10763613).

42008659 is a wasteful number, since it uses less digits than its factorization.

42008659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49626 (or 49615 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 42008659 is about 6481.4087203323. The cubic root of 42008659 is about 347.6265508747.

The spelling of 42008659 in words is "forty-two million, eight thousand, six hundred fifty-nine".