452215320 has 64 divisors (see below), whose sum is σ = 1369854720. Its totient is φ = 119416704.

The previous prime is 452215303. The next prime is 452215327. The reversal of 452215320 is 23512254.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452215327) 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, 5934 + ... + 30653.

It is an arithmetic number, because the mean of its divisors is an integer number (21403980).

Almost surely, 2^452215320 is an apocalyptic number.

452215320 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 452215320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684927360).

452215320 is an abundant number, since it is smaller than the sum of its proper divisors (917639400).

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

452215320 is a wasteful number, since it uses less digits than its factorization.

452215320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36704 (or 36700 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 452215320 is about 21265.3549229727. The cubic root of 452215320 is about 767.5648712440.

Adding to 452215320 its reverse (23512254), we get a palindrome (475727574).

The spelling of 452215320 in words is "four hundred fifty-two million, two hundred fifteen thousand, three hundred twenty".