216232588800 has 480 divisors, whose sum is σ = 819321845760. Its totient is φ = 55799193600.

The previous prime is 216232588763. The next prime is 216232588841. The reversal of 216232588800 is 8885232612.

216232588800 is a `hidden beast` number, since 2 + 1 + 62 + 3 + 2 + 588 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 10703509 + ... + 10723691.

It is an arithmetic number, because the mean of its divisors is an integer number (1706920512).

Almost surely, 2^216232588800 is an apocalyptic number.

216232588800 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 216232588800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409660922880).

216232588800 is an abundant number, since it is smaller than the sum of its proper divisors (603089256960).

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

216232588800 is a wasteful number, since it uses less digits than its factorization.

216232588800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20251 (or 20224 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 216232588800 in words is "two hundred sixteen billion, two hundred thirty-two million, five hundred eighty-eight thousand, eight hundred".