2868981120 has 160 divisors (see below), whose sum is σ = 10245834720. Its totient is φ = 765047808.

The previous prime is 2868981077. The next prime is 2868981179. The reversal of 2868981120 is 211898682.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24169 + ... + 79511.

It is an arithmetic number, because the mean of its divisors is an integer number (64036467).

Almost surely, 2^2868981120 is an apocalyptic number.

2868981120 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 2868981120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5122917360).

2868981120 is an abundant number, since it is smaller than the sum of its proper divisors (7376853600).

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

2868981120 is an equidigital number, since it uses as much as digits as its factorization.

2868981120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55374 (or 55353 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 2868981120 is about 53562.8707221710. The cubic root of 2868981120 is about 1420.9405129476.

The spelling of 2868981120 in words is "two billion, eight hundred sixty-eight million, nine hundred eighty-one thousand, one hundred twenty".