450858128 has 80 divisors (see below), whose sum is σ = 1041838080. Its totient is φ = 184923648.

The previous prime is 450858119. The next prime is 450858143. The reversal of 450858128 is 821858054.

It is a happy 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, 411950 + ... + 413042.

It is an arithmetic number, because the mean of its divisors is an integer number (13022976).

Almost surely, 2^450858128 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 450858128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520919040).

450858128 is an abundant number, since it is smaller than the sum of its proper divisors (590979952).

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

450858128 is a wasteful number, since it uses less digits than its factorization.

450858128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 41.

The square root of 450858128 is about 21233.4200730829. The cubic root of 450858128 is about 766.7962279673.

The spelling of 450858128 in words is "four hundred fifty million, eight hundred fifty-eight thousand, one hundred twenty-eight".