2104455442005 has 72 divisors (see below), whose sum is σ = 4258589238072. Its totient is φ = 958563438336.

The previous prime is 2104455441971. The next prime is 2104455442007. The reversal of 2104455442005 is 5002445544012.

2104455442005 is a `hidden beast` number, since 2 + 1 + 0 + 445 + 5 + 4 + 4 + 200 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 121200067044 + 1983255374961 = 348138^2 + 1408281^2 .

It is not a de Polignac number, because 2104455442005 - 2⁶ = 2104455441941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104455442007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1111962 + ... + 2333531.

It is an arithmetic number, because the mean of its divisors is an integer number (59147072751).

Almost surely, 2^{2104455442005} is an apocalyptic number.

It is an amenable number.

2104455442005 is an abundant number, since it is smaller than the sum of its proper divisors (2154133796067).

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

2104455442005 is a wasteful number, since it uses less digits than its factorization.

2104455442005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445795 (or 3445785 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 2104455442005 in words is "two trillion, one hundred four billion, four hundred fifty-five million, four hundred forty-two thousand, five".