42459618 has 8 divisors (see below), whose sum is σ = 84919248. Its totient is φ = 14153204.

The previous prime is 42459601. The next prime is 42459629. The reversal of 42459618 is 81695424.

42459618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

42459618 is an admirable number.

It is an unprimeable number.

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, 3538296 + ... + 3538307.

It is an arithmetic number, because the mean of its divisors is an integer number (10614906).

Almost surely, 2^42459618 is an apocalyptic number.

42459618 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.

42459618 is a wasteful number, since it uses less digits than its factorization.

42459618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076608.

The product of its digits is 69120, while the sum is 39.

The square root of 42459618 is about 6516.1045111324. The cubic root of 42459618 is about 348.8660389033.

The spelling of 42459618 in words is "forty-two million, four hundred fifty-nine thousand, six hundred eighteen".