218563460010 has 96 divisors (see below), whose sum is σ = 650272401792. Its totient is φ = 49893770880.

The previous prime is 218563459987. The next prime is 218563460039. The reversal of 218563460010 is 10064365812.

It is a happy number.

218563460010 is a `hidden beast` number, since 2 + 1 + 8 + 5 + 6 + 34 + 600 + 10 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 275400 + ... + 716220.

It is an arithmetic number, because the mean of its divisors is an integer number (6773670852).

Almost surely, 2^218563460010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218563460010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325136200896).

218563460010 is an abundant number, since it is smaller than the sum of its proper divisors (431708941782).

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

218563460010 is a wasteful number, since it uses less digits than its factorization.

218563460010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441628 (or 441625 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 218563460010 in words is "two hundred eighteen billion, five hundred sixty-three million, four hundred sixty thousand, ten".