4421420203200 has 672 divisors, whose sum is σ = 19476531755520. Its totient is φ = 848063692800.

The previous prime is 4421420203199. The next prime is 4421420203223. The reversal of 4421420203200 is 23020241244.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×4421420203200² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 95 ways as a sum of consecutive naturals, for example, 4344696 + ... + 5264904.

It is an arithmetic number, because the mean of its divisors is an integer number (28982934160).

Almost surely, 2^{4421420203200} is an apocalyptic number.

4421420203200 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 4421420203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9738265877760).

4421420203200 is an abundant number, since it is smaller than the sum of its proper divisors (15055111552320).

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

4421420203200 is a wasteful number, since it uses less digits than its factorization.

4421420203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920265 (or 920250 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 4421420203200 its reverse (23020241244), we get a palindrome (4444440444444).

The spelling of 4421420203200 in words is "four trillion, four hundred twenty-one billion, four hundred twenty million, two hundred three thousand, two hundred".