2021368576 has 72 divisors (see below), whose sum is σ = 4123320320. Its totient is φ = 988775424.

The previous prime is 2021368567. The next prime is 2021368577. The reversal of 2021368576 is 6758631202.

It is not an unprimeable number, because it can be changed into a prime (2021368577) 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, 2568055 + ... + 2568841.

Almost surely, 2^2021368576 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 2021368576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061660160).

2021368576 is an abundant number, since it is smaller than the sum of its proper divisors (2101951744).

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

2021368576 is an equidigital number, since it uses as much as digits as its factorization.

2021368576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2021368576 is about 44959.6327387135. The cubic root of 2021368576 is about 1264.3922833053.

Adding to 2021368576 its reverse (6758631202), we get a palindrome (8779999778).

The spelling of 2021368576 in words is "two billion, twenty-one million, three hundred sixty-eight thousand, five hundred seventy-six".