445755740743220 has 48 divisors (see below), whose sum is σ = 981415812843648. Its totient is φ = 169741728562560.

The previous prime is 445755740743213. The next prime is 445755740743267. The reversal of 445755740743220 is 22347047557544.

It is a self number, because there is not a number n which added to its sum of digits gives 445755740743220.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2296192559 + ... + 2296386678.

It is an arithmetic number, because the mean of its divisors is an integer number (20446162767576).

Almost surely, 2^{445755740743220} is an apocalyptic number.

It is an amenable number.

445755740743220 is an abundant number, since it is smaller than the sum of its proper divisors (535660072100428).

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

445755740743220 is a wasteful number, since it uses less digits than its factorization.

445755740743220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592579480 (or 4592579478 counting only the distinct ones).

The product of its (nonzero) digits is 131712000, while the sum is 59.

The spelling of 445755740743220 in words is "four hundred forty-five trillion, seven hundred fifty-five billion, seven hundred forty million, seven hundred forty-three thousand, two hundred twenty".