2820140160 has 128 divisors (see below), whose sum is σ = 9004037760. Its totient is φ = 750796800.

The previous prime is 2820140159. The next prime is 2820140179. The reversal of 2820140160 is 610410282.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2820140160.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305309 + ... + 2306531.

It is an arithmetic number, because the mean of its divisors is an integer number (70344045).

Almost surely, 2^2820140160 is an apocalyptic number.

2820140160 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 2820140160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4502018880).

2820140160 is an abundant number, since it is smaller than the sum of its proper divisors (6183897600).

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

2820140160 is a wasteful number, since it uses less digits than its factorization.

2820140160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2820140160 is about 53104.9918557568. The cubic root of 2820140160 is about 1412.8310505017.

The spelling of 2820140160 in words is "two billion, eight hundred twenty million, one hundred forty thousand, one hundred sixty".