450642323622626 has 8 divisors (see below), whose sum is σ = 681945463181484. Its totient is φ = 223327169228800.

The previous prime is 450642323622607. The next prime is 450642323622823. The reversal of 450642323622626 is 626226323246054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 450189732405625 + 452591217001 = 21217675^2 + 672749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996996290975 + ... + 996996291426.

Almost surely, 2^{450642323622626} is an apocalyptic number.

450642323622626 is a deficient number, since it is larger than the sum of its proper divisors (231303139558858).

450642323622626 is a wasteful number, since it uses less digits than its factorization.

450642323622626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993992582516.

The product of its (nonzero) digits is 29859840, while the sum is 53.

The spelling of 450642323622626 in words is "four hundred fifty trillion, six hundred forty-two billion, three hundred twenty-three million, six hundred twenty-two thousand, six hundred twenty-six".