452540604 has 24 divisors (see below), whose sum is σ = 1089991168. Its totient is φ = 145980720.

The previous prime is 452540603. The next prime is 452540609. The reversal of 452540604 is 406045254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452540603) 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 7 ways as a sum of consecutive naturals, for example, 607882 + ... + 608625.

Almost surely, 2^452540604 is an apocalyptic number.

It is an amenable number.

452540604 is an abundant number, since it is smaller than the sum of its proper divisors (637450564).

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

452540604 is a wasteful number, since it uses less digits than its factorization.

452540604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216545 (or 1216543 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 452540604 is about 21273.0017627978. The cubic root of 452540604 is about 767.7488667282.

Adding to 452540604 its reverse (406045254), we get a palindrome (858585858).

The spelling of 452540604 in words is "four hundred fifty-two million, five hundred forty thousand, six hundred four".