4451456 has 32 divisors (see below), whose sum is σ = 8996400. Its totient is φ = 2193664.

The previous prime is 4451449. The next prime is 4451459. The reversal of 4451456 is 6541544.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (4451459) 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, 10415 + ... + 10833.

Almost surely, 2^4451456 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 4451456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4498200).

4451456 is an abundant number, since it is smaller than the sum of its proper divisors (4544944).

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

4451456 is an equidigital number, since it uses as much as digits as its factorization.

4451456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 504 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 4451456 is about 2109.8473878459. The cubic root of 4451456 is about 164.5005527770.

The spelling of 4451456 in words is "four million, four hundred fifty-one thousand, four hundred fifty-six".