448481216 has 56 divisors (see below), whose sum is σ = 972775296. Its totient is φ = 204226560.

The previous prime is 448481213. The next prime is 448481237. The reversal of 448481216 is 612184844.

It is a super-2 number, since 2×448481216² = 402270802209677312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 448481216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448481213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27080 + ... + 40376.

Almost surely, 2^448481216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448481216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486387648).

448481216 is an abundant number, since it is smaller than the sum of its proper divisors (524294080).

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

448481216 is a wasteful number, since it uses less digits than its factorization.

448481216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357 (or 13347 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 448481216 is about 21177.3750970228. The cubic root of 448481216 is about 765.4463432560.

It can be divided in two parts, 44848 and 1216, that added together give a palindrome (46064).

The spelling of 448481216 in words is "four hundred forty-eight million, four hundred eighty-one thousand, two hundred sixteen".