218049350 has 24 divisors (see below), whose sum is σ = 418657728. Its totient is φ = 84405600.

The previous prime is 218049343. The next prime is 218049353. The reversal of 218049350 is 53940812.

218049350 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218049353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68789 + ... + 71888.

It is an arithmetic number, because the mean of its divisors is an integer number (17444072).

Almost surely, 2^218049350 is an apocalyptic number.

218049350 is a deficient number, since it is larger than the sum of its proper divisors (200608378).

218049350 is a wasteful number, since it uses less digits than its factorization.

218049350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140720 (or 140715 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 218049350 is about 14766.4941675402. The cubic root of 218049350 is about 601.8915765928.

The spelling of 218049350 in words is "two hundred eighteen million, forty-nine thousand, three hundred fifty".