218465008 has 10 divisors (see below), whose sum is σ = 423275984. Its totient is φ = 109232496.

The previous prime is 218464931. The next prime is 218465053. The reversal of 218465008 is 800564812.

218465008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6827016 + ... + 6827047.

Almost surely, 2^218465008 is an apocalyptic number.

It is an amenable number.

218465008 is a deficient number, since it is larger than the sum of its proper divisors (204810976).

218465008 is a wasteful number, since it uses less digits than its factorization.

218465008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654071 (or 13654065 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 218465008 is about 14780.5618296464. The cubic root of 218465008 is about 602.2737870837.

The spelling of 218465008 in words is "two hundred eighteen million, four hundred sixty-five thousand, eight".