454568128 has 112 divisors (see below), whose sum is σ = 1081479168. Its totient is φ = 185472000.

The previous prime is 454568089. The next prime is 454568129. The reversal of 454568128 is 821865454.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (454568129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985818 + ... + 986278.

It is an arithmetic number, because the mean of its divisors is an integer number (9656064).

Almost surely, 2^454568128 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 454568128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540739584).

454568128 is an abundant number, since it is smaller than the sum of its proper divisors (626911040).

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

454568128 is a wasteful number, since it uses less digits than its factorization.

454568128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 572 counting only the distinct ones).

The product of its digits is 307200, while the sum is 43.

The square root of 454568128 is about 21320.6033685729. The cubic root of 454568128 is about 768.8937439536.

The spelling of 454568128 in words is "four hundred fifty-four million, five hundred sixty-eight thousand, one hundred twenty-eight".