2021014144 has 64 divisors (see below), whose sum is σ = 4101158880. Its totient is φ = 991872000.

The previous prime is 2021014139. The next prime is 2021014157. The reversal of 2021014144 is 4414101202.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922419 + ... + 1923469.

Almost surely, 2^2021014144 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 2021014144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2050579440).

2021014144 is an abundant number, since it is smaller than the sum of its proper divisors (2080144736).

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

2021014144 is a wasteful number, since it uses less digits than its factorization.

2021014144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2021014144 is about 44955.6908967041. The cubic root of 2021014144 is about 1264.3183783800.

Adding to 2021014144 its reverse (4414101202), we get a palindrome (6435115346).

The spelling of 2021014144 in words is "two billion, twenty-one million, fourteen thousand, one hundred forty-four".