219055980 has 192 divisors, whose sum is σ = 729985536. Its totient is φ = 48787200.

The previous prime is 219055961. The next prime is 219056003. The reversal of 219055980 is 89550912.

219055980 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1038075 + ... + 1038285.

It is an arithmetic number, because the mean of its divisors is an integer number (3802008).

Almost surely, 2^219055980 is an apocalyptic number.

219055980 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 219055980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364992768).

219055980 is an abundant number, since it is smaller than the sum of its proper divisors (510929556).

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

219055980 is a wasteful number, since it uses less digits than its factorization.

219055980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 219055980 is about 14800.5398550188. The cubic root of 219055980 is about 602.8163705217.

The spelling of 219055980 in words is "two hundred nineteen million, fifty-five thousand, nine hundred eighty".