445277745850 has 48 divisors (see below), whose sum is σ = 946624822848. Its totient is φ = 152651888640.

The previous prime is 445277745767. The next prime is 445277745883. The reversal of 445277745850 is 58547772544.

It is a happy number.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3931717 + ... + 4043383.

It is an arithmetic number, because the mean of its divisors is an integer number (19721350476).

Almost surely, 2^445277745850 is an apocalyptic number.

445277745850 is an abundant number, since it is smaller than the sum of its proper divisors (501347076998).

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

445277745850 is a wasteful number, since it uses less digits than its factorization.

445277745850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123079 (or 123074 counting only the distinct ones).

The product of its (nonzero) digits is 43904000, while the sum is 58.

The spelling of 445277745850 in words is "four hundred forty-five billion, two hundred seventy-seven million, seven hundred forty-five thousand, eight hundred fifty".