450020503303 has 16 divisors (see below), whose sum is σ = 515470390336. Its totient is φ = 384861818880.

The previous prime is 450020503301. The next prime is 450020503333. The reversal of 450020503303 is 303305020054.

It is a happy number.

It is not a de Polignac number, because 450020503303 - 2¹ = 450020503301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450020503301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6187075 + ... + 6259387.

It is an arithmetic number, because the mean of its divisors is an integer number (32216899396).

Almost surely, 2^450020503303 is an apocalyptic number.

450020503303 is a deficient number, since it is larger than the sum of its proper divisors (65449887033).

450020503303 is a wasteful number, since it uses less digits than its factorization.

450020503303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74314.

The product of its (nonzero) digits is 5400, while the sum is 25.

Adding to 450020503303 its reverse (303305020054), we get a palindrome (753325523357).

The spelling of 450020503303 in words is "four hundred fifty billion, twenty million, five hundred three thousand, three hundred three".