4021443020000 has 240 divisors, whose sum is σ = 11311470545760. Its totient is φ = 1378197504000.

The previous prime is 4021443019973. The next prime is 4021443020011. The reversal of 4021443020000 is 203441204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 450375536 + ... + 450384464.

It is an arithmetic number, because the mean of its divisors is an integer number (47131127274).

Almost surely, 2^{4021443020000} is an apocalyptic number.

4021443020000 is a gapful number since it is divisible by the number (40) 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 4021443020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5655735272880).

4021443020000 is an abundant number, since it is smaller than the sum of its proper divisors (7290027525760).

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

4021443020000 is an equidigital number, since it uses as much as digits as its factorization.

4021443020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12183 (or 12160 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 4021443020000 its reverse (203441204), we get a palindrome (4021646461204).

The spelling of 4021443020000 in words is "four trillion, twenty-one billion, four hundred forty-three million, twenty thousand".