441805049172 has 72 divisors (see below), whose sum is σ = 1177092975240. Its totient is φ = 139507280640.

The previous prime is 441805049159. The next prime is 441805049197. The reversal of 441805049172 is 271940508144.

441805049172 is a `hidden beast` number, since 4 + 41 + 8 + 0 + 50 + 491 + 72 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15179225616 + 426625823556 = 123204^2 + 653166^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3936979 + ... + 4047642.

It is an arithmetic number, because the mean of its divisors is an integer number (16348513545).

Almost surely, 2^441805049172 is an apocalyptic number.

It is an amenable number.

441805049172 is an abundant number, since it is smaller than the sum of its proper divisors (735287926068).

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

441805049172 is a wasteful number, since it uses less digits than its factorization.

441805049172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7984713 (or 7984708 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 441805049172 in words is "four hundred forty-one billion, eight hundred five million, forty-nine thousand, one hundred seventy-two".