6218720000 has 90 divisors (see below), whose sum is σ = 15511868988. Its totient is φ = 2487424000.

The previous prime is 6218719999. The next prime is 6218720041. The reversal of 6218720000 is 278126.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 140567 + ... + 179433.

Almost surely, 2^6218720000 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 6218720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7755934494).

6218720000 is an abundant number, since it is smaller than the sum of its proper divisors (9293148988).

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

6218720000 is an frugal number, since it uses more digits than its factorization.

6218720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38903 (or 38874 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 6218720000 is about 78858.8612649206. The cubic root of 6218720000 is about 1838.9376350051.

Adding to 6218720000 its reverse (278126), we get a palindrome (6218998126).

The spelling of 6218720000 in words is "six billion, two hundred eighteen million, seven hundred twenty thousand".