452266728 has 64 divisors (see below), whose sum is σ = 1197504000. Its totient is φ = 141941952.

The previous prime is 452266721. The next prime is 452266739. The reversal of 452266728 is 827662254.

It is a self number, because there is not a number n which added to its sum of digits gives 452266728.

It is not an unprimeable number, because it can be changed into a prime (452266721) 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, 73183 + ... + 79121.

It is an arithmetic number, because the mean of its divisors is an integer number (18711000).

Almost surely, 2^452266728 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 452266728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598752000).

452266728 is an abundant number, since it is smaller than the sum of its proper divisors (745237272).

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

452266728 is a wasteful number, since it uses less digits than its factorization.

452266728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6134 (or 6130 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 452266728 is about 21266.5636152153. The cubic root of 452266728 is about 767.5939558253.

The spelling of 452266728 in words is "four hundred fifty-two million, two hundred sixty-six thousand, seven hundred twenty-eight".