2104455442000 has 80 divisors (see below), whose sum is σ = 5094760200192. Its totient is φ = 840758697600.

The previous prime is 2104455441971. The next prime is 2104455442007. The reversal of 2104455442000 is 2445544012.

It is a tau number, because it is divible by the number of its divisors (80).

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 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, 1006737 + ... + 2285263.

Almost surely, 2^{2104455442000} is an apocalyptic number.

2104455442000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104455442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2547380100096).

2104455442000 is an abundant number, since it is smaller than the sum of its proper divisors (2990304758192).

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

2104455442000 is a wasteful number, since it uses less digits than its factorization.

2104455442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279373 (or 1279357 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The spelling of 2104455442000 in words is "two trillion, one hundred four billion, four hundred fifty-five million, four hundred forty-two thousand".