2172803360 has 192 divisors, whose sum is σ = 6401203200. Its totient is φ = 678592512.

The previous prime is 2172803359. The next prime is 2172803363. The reversal of 2172803360 is 633082712.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (2172803363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1149296 + ... + 1151184.

It is an arithmetic number, because the mean of its divisors is an integer number (33339600).

Almost surely, 2^2172803360 is an apocalyptic number.

2172803360 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 2172803360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200601600).

2172803360 is an abundant number, since it is smaller than the sum of its proper divisors (4228399840).

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

2172803360 is a wasteful number, since it uses less digits than its factorization.

2172803360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2172803360 is about 46613.3388634627. The cubic root of 2172803360 is about 1295.2098585080.

The spelling of 2172803360 in words is "two billion, one hundred seventy-two million, eight hundred three thousand, three hundred sixty".