441481818161020 has 48 divisors (see below), whose sum is σ = 1141060699251648. Its totient is φ = 139721718274560.

The previous prime is 441481818161017. The next prime is 441481818161063. The reversal of 441481818161020 is 20161818184144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121286211961 + ... + 121286215600.

It is an arithmetic number, because the mean of its divisors is an integer number (23772097901076).

Almost surely, 2^{441481818161020} is an apocalyptic number.

It is an amenable number.

441481818161020 is an abundant number, since it is smaller than the sum of its proper divisors (699578881090628).

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

441481818161020 is a wasteful number, since it uses less digits than its factorization.

441481818161020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242572427590 (or 242572427588 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 49.

The spelling of 441481818161020 in words is "four hundred forty-one trillion, four hundred eighty-one billion, eight hundred eighteen million, one hundred sixty-one thousand, twenty".