2176720000 has 480 divisors, whose sum is σ = 6997510080. Its totient is φ = 658944000.

The previous prime is 2176719997. The next prime is 2176720031. The reversal of 2176720000 is 276712.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 94639989 + ... + 94640011.

It is an arithmetic number, because the mean of its divisors is an integer number (14578146).

Almost surely, 2^2176720000 is an apocalyptic number.

2176720000 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 2176720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3498755040).

2176720000 is an abundant number, since it is smaller than the sum of its proper divisors (4820790080).

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

2176720000 is an equidigital number, since it uses as much as digits as its factorization.

2176720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 2176720000 is about 46655.3319568085. The cubic root of 2176720000 is about 1295.9876288003.

Adding to 2176720000 its reverse (276712), we get a palindrome (2176996712).

It can be divided in two parts, 2 and 176720000, that multiplied together give a square (353440000 = 18800²).

The spelling of 2176720000 in words is "two billion, one hundred seventy-six million, seven hundred twenty thousand".