218060460 has 72 divisors (see below), whose sum is σ = 672693840. Its totient is φ = 57161088.

The previous prime is 218060431. The next prime is 218060467. The reversal of 218060460 is 64060812.

218060460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (218060467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354 + ... + 20886.

It is an arithmetic number, because the mean of its divisors is an integer number (9342970).

Almost surely, 2^218060460 is an apocalyptic number.

218060460 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 218060460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336346920).

218060460 is an abundant number, since it is smaller than the sum of its proper divisors (454633380).

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

218060460 is a wasteful number, since it uses less digits than its factorization.

218060460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607 (or 20602 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 218060460 is about 14766.8703522446. The cubic root of 218060460 is about 601.9017988993.

The spelling of 218060460 in words is "two hundred eighteen million, sixty thousand, four hundred sixty".