2021574912 has 144 divisors (see below), whose sum is σ = 6169282560. Its totient is φ = 575686656.

The previous prime is 2021574869. The next prime is 2021574943. The reversal of 2021574912 is 2194751202.

It is a super-3 number, since 3×2021574912³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2811289 + ... + 2812007.

It is an arithmetic number, because the mean of its divisors is an integer number (42842240).

Almost surely, 2^2021574912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021574912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3084641280).

2021574912 is an abundant number, since it is smaller than the sum of its proper divisors (4147707648).

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

2021574912 is an equidigital number, since it uses as much as digits as its factorization.

2021574912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2021574912 is about 44961.9273608238. The cubic root of 2021574912 is about 1264.4353037903.

The spelling of 2021574912 in words is "two billion, twenty-one million, five hundred seventy-four thousand, nine hundred twelve".