450982145778 has 32 divisors (see below), whose sum is σ = 904424040576. Its totient is φ = 149917974528.

The previous prime is 450982145773. The next prime is 450982145837. The reversal of 450982145778 is 877541289054.

It is not an unprimeable number, because it can be changed into a prime (450982145773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3243250 + ... + 3379442.

It is an arithmetic number, because the mean of its divisors is an integer number (28263251268).

Almost surely, 2^450982145778 is an apocalyptic number.

450982145778 is an abundant number, since it is smaller than the sum of its proper divisors (453441894798).

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

450982145778 is a wasteful number, since it uses less digits than its factorization.

450982145778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137698.

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 450982145778 in words is "four hundred fifty billion, nine hundred eighty-two million, one hundred forty-five thousand, seven hundred seventy-eight".