450718806218564 has 48 divisors (see below), whose sum is σ = 894418735082880. Its totient is φ = 197013668290560.

The previous prime is 450718806218537. The next prime is 450718806218579. The reversal of 450718806218564 is 465812608817054.

It is a self number, because there is not a number n which added to its sum of digits gives 450718806218564.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68328509 + ... + 74633924.

It is an arithmetic number, because the mean of its divisors is an integer number (18633723647560).

Almost surely, 2^{450718806218564} is an apocalyptic number.

It is an amenable number.

450718806218564 is a deficient number, since it is larger than the sum of its proper divisors (443699928864316).

450718806218564 is a wasteful number, since it uses less digits than its factorization.

450718806218564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142965660 (or 142965658 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 65.

The spelling of 450718806218564 in words is "four hundred fifty trillion, seven hundred eighteen billion, eight hundred six million, two hundred eighteen thousand, five hundred sixty-four".