218652048 has 50 divisors (see below), whose sum is σ = 632846214. Its totient is φ = 72883584.

The previous prime is 218652047. The next prime is 218652061. The reversal of 218652048 is 840256812.

It can be written as a sum of positive squares in only one way, i.e., 180311184 + 38340864 = 13428^2 + 6192^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (218652041) by changing a digit.

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 in 9 ways as a sum of consecutive naturals, for example, 83061 + ... + 85652.

Almost surely, 2^218652048 is an apocalyptic number.

It is an amenable number.

218652048 is an abundant number, since it is smaller than the sum of its proper divisors (414194166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218652048 is a wasteful number, since it uses less digits than its factorization.

218652048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168733 (or 168718 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 218652048 is about 14786.8877049905. The cubic root of 218652048 is about 602.4456180435.

The spelling of 218652048 in words is "two hundred eighteen million, six hundred fifty-two thousand, forty-eight".