452130540 has 48 divisors (see below), whose sum is σ = 1278516960. Its totient is φ = 119372800.

The previous prime is 452130499. The next prime is 452130557. The reversal of 452130540 is 45031254.

It is a self number, because there is not a number n which added to its sum of digits gives 452130540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31245 + ... + 43364.

It is an arithmetic number, because the mean of its divisors is an integer number (26635770).

Almost surely, 2^452130540 is an apocalyptic number.

It is an amenable number.

452130540 is an abundant number, since it is smaller than the sum of its proper divisors (826386420).

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

452130540 is a wasteful number, since it uses less digits than its factorization.

452130540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74722 (or 74720 counting only the distinct ones).

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

The square root of 452130540 is about 21263.3614463941. The cubic root of 452130540 is about 767.5169013102.

Adding to 452130540 its reverse (45031254), we get a palindrome (497161794).

The spelling of 452130540 in words is "four hundred fifty-two million, one hundred thirty thousand, five hundred forty".