720000216000 has 336 divisors, whose sum is σ = 2773684437888. Its totient is φ = 177230592000.

The previous prime is 720000215981. The next prime is 720000216029. The reversal of 720000216000 is 612000027.

It is a happy number.

It is a super-2 number, since 2×720000216000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

720000216000 is a modest number, since divided by 216000 gives 72000 as remainder.

It is a congruent number.

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, 551385 + ... + 1320615.

It is an arithmetic number, because the mean of its divisors is an integer number (8255013208).

Almost surely, 2^720000216000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720000216000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386842218944).

720000216000 is an abundant number, since it is smaller than the sum of its proper divisors (2053684221888).

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

720000216000 is a wasteful number, since it uses less digits than its factorization.

720000216000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769277 (or 769254 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

Adding to 720000216000 its reverse (612000027), we get a palindrome (720612216027).

The spelling of 720000216000 in words is "seven hundred twenty billion, two hundred sixteen thousand".