218435323104 has 60 divisors (see below), whose sum is σ = 642412225224. Its totient is φ = 72811773504.

The previous prime is 218435323037. The next prime is 218435323111. The reversal of 218435323104 is 401323534812.

218435323104 is a `hidden beast` number, since 2 + 18 + 4 + 3 + 532 + 3 + 104 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 42133852 + ... + 42139035.

Almost surely, 2^218435323104 is an apocalyptic number.

218435323104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

218435323104 is an abundant number, since it is smaller than the sum of its proper divisors (423976902120).

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

218435323104 is an equidigital number, since it uses as much as digits as its factorization.

218435323104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84272909 (or 84272892 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 218435323104 its reverse (401323534812), we get a palindrome (619758857916).

The spelling of 218435323104 in words is "two hundred eighteen billion, four hundred thirty-five million, three hundred twenty-three thousand, one hundred four".