450442056 has 64 divisors (see below), whose sum is σ = 1149390720. Its totient is φ = 147064320.

The previous prime is 450442039. The next prime is 450442099. The reversal of 450442056 is 650244054.

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, 457741 + ... + 458723.

It is an arithmetic number, because the mean of its divisors is an integer number (17959230).

Almost surely, 2^450442056 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 450442056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574695360).

450442056 is an abundant number, since it is smaller than the sum of its proper divisors (698948664).

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

450442056 is a wasteful number, since it uses less digits than its factorization.

450442056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 450442056 is about 21223.6202378388. The cubic root of 450442056 is about 766.5602774447.

The spelling of 450442056 in words is "four hundred fifty million, four hundred forty-two thousand, fifty-six".