441321320 has 32 divisors (see below), whose sum is σ = 1083244320. Its totient is φ = 160480320.

The previous prime is 441321299. The next prime is 441321329. The reversal of 441321320 is 23123144.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 441321292 and 441321301.

It is not an unprimeable number, because it can be changed into a prime (441321329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501062 + ... + 501941.

It is an arithmetic number, because the mean of its divisors is an integer number (33851385).

Almost surely, 2^441321320 is an apocalyptic number.

441321320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441321320 is an abundant number, since it is smaller than the sum of its proper divisors (641923000).

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

441321320 is a wasteful number, since it uses less digits than its factorization.

441321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003025 (or 1003021 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 441321320 is about 21007.6490831316. The cubic root of 441321320 is about 761.3510823914.

Adding to 441321320 its reverse (23123144), we get a palindrome (464444464).

The spelling of 441321320 in words is "four hundred forty-one million, three hundred twenty-one thousand, three hundred twenty".