441322440 has 128 divisors (see below), whose sum is σ = 1444262400. Its totient is φ = 107228160.

The previous prime is 441322423. The next prime is 441322451. The reversal of 441322440 is 44223144.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 441322440.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 121450 + ... + 125030.

It is an arithmetic number, because the mean of its divisors is an integer number (11283300).

Almost surely, 2^441322440 is an apocalyptic number.

441322440 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 441322440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722131200).

441322440 is an abundant number, since it is smaller than the sum of its proper divisors (1002939960).

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

441322440 is a wasteful number, since it uses less digits than its factorization.

441322440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687 (or 3683 counting only the distinct ones).

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

The square root of 441322440 is about 21007.6757400718. The cubic root of 441322440 is about 761.3517264516.

Adding to 441322440 its reverse (44223144), we get a palindrome (485545584).

The spelling of 441322440 in words is "four hundred forty-one million, three hundred twenty-two thousand, four hundred forty".