452563320 has 128 divisors (see below), whose sum is σ = 1490711040. Its totient is φ = 109002240.

The previous prime is 452563303. The next prime is 452563339. The reversal of 452563320 is 23365254.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219414 + ... + 221466.

It is an arithmetic number, because the mean of its divisors is an integer number (11646180).

Almost surely, 2^452563320 is an apocalyptic number.

452563320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452563320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745355520).

452563320 is an abundant number, since it is smaller than the sum of its proper divisors (1038147720).

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

452563320 is a wasteful number, since it uses less digits than its factorization.

452563320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2241 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 452563320 is about 21273.5356722854. The cubic root of 452563320 is about 767.7617126411.

The spelling of 452563320 in words is "four hundred fifty-two million, five hundred sixty-three thousand, three hundred twenty".