453705728 has 136 divisors (see below), whose sum is σ = 1107287808. Its totient is φ = 181665792.

The previous prime is 453705719. The next prime is 453705757. The reversal of 453705728 is 827507354.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10551275 + ... + 10551317.

Almost surely, 2^453705728 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 453705728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553643904).

453705728 is an abundant number, since it is smaller than the sum of its proper divisors (653582080).

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

453705728 is an frugal number, since it uses more digits than its factorization.

453705728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 453705728 is about 21300.3691986782. The cubic root of 453705728 is about 768.4071914775.

The spelling of 453705728 in words is "four hundred fifty-three million, seven hundred five thousand, seven hundred twenty-eight".