450982145768 has 128 divisors (see below), whose sum is σ = 1069915392000. Its totient is φ = 173099270400.

The previous prime is 450982145767. The next prime is 450982145773. The reversal of 450982145768 is 867541289054.

It is not an unprimeable number, because it can be changed into a prime (450982145767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71592683 + ... + 71598981.

It is an arithmetic number, because the mean of its divisors is an integer number (8358714000).

Almost surely, 2^450982145768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450982145768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534957696000).

450982145768 is an abundant number, since it is smaller than the sum of its proper divisors (618933246232).

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

450982145768 is a wasteful number, since it uses less digits than its factorization.

450982145768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8031 (or 8027 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 450982145768 in words is "four hundred fifty billion, nine hundred eighty-two million, one hundred forty-five thousand, seven hundred sixty-eight".