2100844000080 has 240 divisors, whose sum is σ = 8361878388864. Its totient is φ = 480192883200.

The previous prime is 2100844000043. The next prime is 2100844000117. The reversal of 2100844000080 is 800004480012.

2100844000080 is a `hidden beast` number, since 2 + 100 + 84 + 400 + 0 + 0 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (2100844000043) and next prime (2100844000117).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 7583071 + ... + 7855230.

Almost surely, 2^{2100844000080} is an apocalyptic number.

2100844000080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100844000080 is an abundant number, since it is smaller than the sum of its proper divisors (6261034388784).

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

2100844000080 is a wasteful number, since it uses less digits than its factorization.

2100844000080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438336 (or 15438318 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 2100844000080 its reverse (800004480012), we get a palindrome (2900848480092).

The spelling of 2100844000080 in words is "two trillion, one hundred billion, eight hundred forty-four million, eighty", and thus it is an aban number.