450642323622656 has 36 divisors (see below), whose sum is σ = 981299264371944. Its totient is φ = 204837419827200.

The previous prime is 450642323622607. The next prime is 450642323622823. The reversal of 450642323622656 is 656226323246054.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80014614305 + ... + 80014619936.

Almost surely, 2^{450642323622656} is an apocalyptic number.

It is an amenable number.

450642323622656 is an abundant number, since it is smaller than the sum of its proper divisors (530656940749288).

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

450642323622656 is a wasteful number, since it uses less digits than its factorization.

450642323622656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160029234268 (or 160029234254 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 56.

The spelling of 450642323622656 in words is "four hundred fifty trillion, six hundred forty-two billion, three hundred twenty-three million, six hundred twenty-two thousand, six hundred fifty-six".