450323020342 has 16 divisors (see below), whose sum is σ = 759072918240. Its totient is φ = 198804811392.

The previous prime is 450323020309. The next prime is 450323020349. The reversal of 450323020342 is 243020323054.

It is a self number, because there is not a number n which added to its sum of digits gives 450323020342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450323020349) 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 7 ways as a sum of consecutive naturals, for example, 376523667 + ... + 376524862.

It is an arithmetic number, because the mean of its divisors is an integer number (47442057390).

Almost surely, 2^450323020342 is an apocalyptic number.

450323020342 is a deficient number, since it is larger than the sum of its proper divisors (308749897898).

450323020342 is a wasteful number, since it uses less digits than its factorization.

450323020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753048567.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 450323020342 its reverse (243020323054), we get a palindrome (693343343396).

The spelling of 450323020342 in words is "four hundred fifty billion, three hundred twenty-three million, twenty thousand, three hundred forty-two".