450312620 has 12 divisors (see below), whose sum is σ = 945656544. Its totient is φ = 180125040.

The previous prime is 450312617. The next prime is 450312683. The reversal of 450312620 is 26213054.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11257796 + ... + 11257835.

It is an arithmetic number, because the mean of its divisors is an integer number (78804712).

Almost surely, 2^450312620 is an apocalyptic number.

It is an amenable number.

450312620 is an abundant number, since it is smaller than the sum of its proper divisors (495343924).

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

450312620 is a wasteful number, since it uses less digits than its factorization.

450312620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515640 (or 22515638 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 450312620 is about 21220.5706803564. The cubic root of 450312620 is about 766.4868458753.

Adding to 450312620 its reverse (26213054), we get a palindrome (476525674).

The spelling of 450312620 in words is "four hundred fifty million, three hundred twelve thousand, six hundred twenty".