441662406365844 has 36 divisors (see below), whose sum is σ = 1182096440569044. Its totient is φ = 138560754938112.

The previous prime is 441662406365729. The next prime is 441662406365857. The reversal of 441662406365844 is 448563604266144.

441662406365844 is a `hidden beast` number, since 4 + 4 + 1 + 6 + 6 + 2 + 40 + 6 + 3 + 6 + 584 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 197492092963344 + 244170313402500 = 14053188^2 + 15625950^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360835298707 + ... + 360835299930.

It is an arithmetic number, because the mean of its divisors is an integer number (32836012238029).

Almost surely, 2^{441662406365844} is an apocalyptic number.

It is an amenable number.

441662406365844 is an abundant number, since it is smaller than the sum of its proper divisors (740434034203200).

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

441662406365844 is a wasteful number, since it uses less digits than its factorization.

441662406365844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721670598664 (or 721670598659 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 63.

The spelling of 441662406365844 in words is "four hundred forty-one trillion, six hundred sixty-two billion, four hundred six million, three hundred sixty-five thousand, eight hundred forty-four".