2021448258 has 16 divisors (see below), whose sum is σ = 4492107360. Its totient is φ = 673816068.

The previous prime is 2021448251. The next prime is 2021448263. The reversal of 2021448258 is 8528441202.

2021448258 is a `hidden beast` number, since 202 + 1 + 448 + 2 + 5 + 8 = 666.

2021448258 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2021448251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18717060 + ... + 18717167.

It is an arithmetic number, because the mean of its divisors is an integer number (280756710).

Almost surely, 2^2021448258 is an apocalyptic number.

2021448258 is an abundant number, since it is smaller than the sum of its proper divisors (2470659102).

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

2021448258 is a wasteful number, since it uses less digits than its factorization.

2021448258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37434238 (or 37434232 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 2021448258 is about 44960.5188804578. The cubic root of 2021448258 is about 1264.4088971288.

The spelling of 2021448258 in words is "two billion, twenty-one million, four hundred forty-eight thousand, two hundred fifty-eight".