218498234360 has 96 divisors (see below), whose sum is σ = 572224577760. Its totient is φ = 74869288704.

The previous prime is 218498234293. The next prime is 218498234363. The reversal of 218498234360 is 63432894812.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 218498234299 and 218498234308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218498234363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3364517 + ... + 3428843.

It is an arithmetic number, because the mean of its divisors is an integer number (5960672685).

Almost surely, 2^218498234360 is an apocalyptic number.

218498234360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218498234360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286112288880).

218498234360 is an abundant number, since it is smaller than the sum of its proper divisors (353726343400).

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

218498234360 is a wasteful number, since it uses less digits than its factorization.

218498234360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66085 (or 66074 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 218498234360 in words is "two hundred eighteen billion, four hundred ninety-eight million, two hundred thirty-four thousand, three hundred sixty".