2021258880 has 256 divisors, whose sum is σ = 7296998400. Its totient is φ = 528592896.

The previous prime is 2021258857. The next prime is 2021258891. The reversal of 2021258880 is 888521202.

It is a happy number.

2021258880 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 914737 + ... + 916943.

It is an arithmetic number, because the mean of its divisors is an integer number (28503900).

Almost surely, 2^2021258880 is an apocalyptic number.

2021258880 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 2021258880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3648499200).

2021258880 is an abundant number, since it is smaller than the sum of its proper divisors (5275739520).

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

2021258880 is a wasteful number, since it uses less digits than its factorization.

2021258880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 2021258880 is about 44958.4127833713. The cubic root of 2021258880 is about 1264.3694108009.

The spelling of 2021258880 in words is "two billion, twenty-one million, two hundred fifty-eight thousand, eight hundred eighty".