218840952252 has 48 divisors (see below), whose sum is σ = 549942044960. Its totient is φ = 67331513088.

The previous prime is 218840952233. The next prime is 218840952259. The reversal of 218840952252 is 252259048812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218840952259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3320274 + ... + 3385542.

Almost surely, 2^218840952252 is an apocalyptic number.

It is an amenable number.

218840952252 is an abundant number, since it is smaller than the sum of its proper divisors (331101092708).

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

218840952252 is a wasteful number, since it uses less digits than its factorization.

218840952252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86782 (or 86780 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 218840952252 in words is "two hundred eighteen billion, eight hundred forty million, nine hundred fifty-two thousand, two hundred fifty-two".