452252628 has 72 divisors (see below), whose sum is σ = 1181861408. Its totient is φ = 145706688.

The previous prime is 452252623. The next prime is 452252677. The reversal of 452252628 is 826252254.

452252628 is a `hidden beast` number, since 4 + 5 + 2 + 25 + 2 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 452252592 and 452252601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452252623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216075 + ... + 218157.

Almost surely, 2^452252628 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 452252628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590930704).

452252628 is an abundant number, since it is smaller than the sum of its proper divisors (729608780).

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

452252628 is a wasteful number, since it uses less digits than its factorization.

452252628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2288 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 452252628 is about 21266.2321063229. The cubic root of 452252628 is about 767.5859788311.

The spelling of 452252628 in words is "four hundred fifty-two million, two hundred fifty-two thousand, six hundred twenty-eight".