452320520 has 16 divisors (see below), whose sum is σ = 1017721260. Its totient is φ = 180928192.

The previous prime is 452320501. The next prime is 452320543. The reversal of 452320520 is 25023254.

It can be written as a sum of positive squares in 2 ways, for example, as 451052644 + 1267876 = 21238^2 + 1126^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5653967 + ... + 5654046.

Almost surely, 2^452320520 is an apocalyptic number.

452320520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452320520 is an abundant number, since it is smaller than the sum of its proper divisors (565400740).

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

452320520 is a wasteful number, since it uses less digits than its factorization.

452320520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11308024 (or 11308020 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 452320520 is about 21267.8282859346. The cubic root of 452320520 is about 767.6243868185.

Adding to 452320520 its reverse (25023254), we get a palindrome (477343774).

The spelling of 452320520 in words is "four hundred fifty-two million, three hundred twenty thousand, five hundred twenty".