447224256 has 84 divisors (see below), whose sum is σ = 1286974312. Its totient is φ = 148483584.

The previous prime is 447224237. The next prime is 447224257. The reversal of 447224256 is 652422744.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 447224256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447224257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158151 + ... + 160953.

Almost surely, 2^447224256 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 447224256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643487156).

447224256 is an abundant number, since it is smaller than the sum of its proper divisors (839750056).

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

447224256 is a wasteful number, since it uses less digits than its factorization.

447224256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098 (or 3085 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 447224256 is about 21147.6773192708. The cubic root of 447224256 is about 764.7305676830.

The spelling of 447224256 in words is "four hundred forty-seven million, two hundred twenty-four thousand, two hundred fifty-six".