450921572 has 48 divisors (see below), whose sum is σ = 827151360. Its totient is φ = 214935552.

The previous prime is 450921571. The next prime is 450921589. The reversal of 450921572 is 275129054.

It is not an unprimeable number, because it can be changed into a prime (450921571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440488 + ... + 1440800.

It is an arithmetic number, because the mean of its divisors is an integer number (17232320).

Almost surely, 2^450921572 is an apocalyptic number.

It is an amenable number.

450921572 is a deficient number, since it is larger than the sum of its proper divisors (376229788).

450921572 is a wasteful number, since it uses less digits than its factorization.

450921572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 450921572 is about 21234.9139861691. The cubic root of 450921572 is about 766.8321937069.

It can be divided in two parts, 45092 and 1572, that added together give a palindrome (46664).

The spelling of 450921572 in words is "four hundred fifty million, nine hundred twenty-one thousand, five hundred seventy-two".