452039728 has 20 divisors (see below), whose sum is σ = 1000945360. Its totient is φ = 193731264.

The previous prime is 452039713. The next prime is 452039729. The reversal of 452039728 is 827930254.

It is not an unprimeable number, because it can be changed into a prime (452039729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017923 + ... + 2018146.

It is an arithmetic number, because the mean of its divisors is an integer number (50047268).

Almost surely, 2^452039728 is an apocalyptic number.

It is an amenable number.

452039728 is an abundant number, since it is smaller than the sum of its proper divisors (548905632).

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

452039728 is a wasteful number, since it uses less digits than its factorization.

452039728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036084 (or 4036078 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 452039728 is about 21261.2259289064. The cubic root of 452039728 is about 767.4655117183.

The spelling of 452039728 in words is "four hundred fifty-two million, thirty-nine thousand, seven hundred twenty-eight".