450856816338 has 32 divisors (see below), whose sum is σ = 915369428160. Its totient is φ = 148010607360.

The previous prime is 450856816313. The next prime is 450856816351. The reversal of 450856816338 is 833618658054.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1782478 + ... + 2019638.

It is an arithmetic number, because the mean of its divisors is an integer number (28605294630).

Almost surely, 2^450856816338 is an apocalyptic number.

450856816338 is an abundant number, since it is smaller than the sum of its proper divisors (464512611822).

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

450856816338 is a wasteful number, since it uses less digits than its factorization.

450856816338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241962.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 450856816338 in words is "four hundred fifty billion, eight hundred fifty-six million, eight hundred sixteen thousand, three hundred thirty-eight".