441216320 has 28 divisors (see below), whose sum is σ = 1050647124. Its totient is φ = 176486400.

The previous prime is 441216301. The next prime is 441216323. The reversal of 441216320 is 23612144.

It can be written as a sum of positive squares in 2 ways, for example, as 199600384 + 241615936 = 14128^2 + 15544^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441216323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689081 + ... + 689720.

Almost surely, 2^441216320 is an apocalyptic number.

441216320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441216320 is an abundant number, since it is smaller than the sum of its proper divisors (609430804).

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

441216320 is a wasteful number, since it uses less digits than its factorization.

441216320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378818 (or 1378808 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 441216320 is about 21005.1498447405. The cubic root of 441216320 is about 761.2906969075.

Adding to 441216320 its reverse (23612144), we get a palindrome (464828464).

The spelling of 441216320 in words is "four hundred forty-one million, two hundred sixteen thousand, three hundred twenty".