441221234400 has 288 divisors, whose sum is σ = 1597097779200. Its totient is φ = 117559641600.

The previous prime is 441221234347. The next prime is 441221234401. The reversal of 441221234400 is 4432122144.

441221234400 is a `hidden beast` number, since 4 + 4 + 1 + 2 + 21 + 234 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441221234401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27618415 + ... + 27634385.

It is an arithmetic number, because the mean of its divisors is an integer number (5545478400).

Almost surely, 2^441221234400 is an apocalyptic number.

441221234400 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 441221234400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798548889600).

441221234400 is an abundant number, since it is smaller than the sum of its proper divisors (1155876544800).

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

441221234400 is a wasteful number, since it uses less digits than its factorization.

441221234400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17279 (or 17260 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 441221234400 its reverse (4432122144), we get a palindrome (445653356544).

The spelling of 441221234400 in words is "four hundred forty-one billion, two hundred twenty-one million, two hundred thirty-four thousand, four hundred".