2268020880 has 240 divisors, whose sum is σ = 8058323520. Its totient is φ = 570074112.

The previous prime is 2268020873. The next prime is 2268020897. The reversal of 2268020880 is 880208622.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4336299 + ... + 4336821.

It is an arithmetic number, because the mean of its divisors is an integer number (33576348).

Almost surely, 2^2268020880 is an apocalyptic number.

2268020880 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 2268020880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4029161760).

2268020880 is an abundant number, since it is smaller than the sum of its proper divisors (5790302640).

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

2268020880 is a wasteful number, since it uses less digits than its factorization.

2268020880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 2268020880 is about 47623.7428180524. The cubic root of 2268020880 is about 1313.8597738922.

The spelling of 2268020880 in words is "two billion, two hundred sixty-eight million, twenty thousand, eight hundred eighty".