450408056 has 64 divisors (see below), whose sum is σ = 984139200. Its totient is φ = 189278208.

The previous prime is 450407981. The next prime is 450408061. The reversal of 450408056 is 650804054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689426 + ... + 690078.

It is an arithmetic number, because the mean of its divisors is an integer number (15377175).

Almost surely, 2^450408056 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 450408056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492069600).

450408056 is an abundant number, since it is smaller than the sum of its proper divisors (533731144).

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

450408056 is a wasteful number, since it uses less digits than its factorization.

450408056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 450408056 is about 21222.8192283683. The cubic root of 450408056 is about 766.5409899434.

The spelling of 450408056 in words is "four hundred fifty million, four hundred eight thousand, fifty-six".