4453122421000 has 256 divisors, whose sum is σ = 11637631998720. Its totient is φ = 1581292800000.

The previous prime is 4453122420983. The next prime is 4453122421043. The reversal of 4453122421000 is 1242213544.

It is a self number, because there is not a number n which added to its sum of digits gives 4453122421000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81075547 + ... + 81130453.

It is an arithmetic number, because the mean of its divisors is an integer number (45459499995).

Almost surely, 2^{4453122421000} is an apocalyptic number.

4453122421000 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 4453122421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5818815999360).

4453122421000 is an abundant number, since it is smaller than the sum of its proper divisors (7184509577720).

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

4453122421000 is a wasteful number, since it uses less digits than its factorization.

4453122421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55113 (or 55099 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 4453122421000 its reverse (1242213544), we get a palindrome (4454364634544).

The spelling of 4453122421000 in words is "four trillion, four hundred fifty-three billion, one hundred twenty-two million, four hundred twenty-one thousand".