2680000280028 has 18 divisors (see below), whose sum is σ = 6774445152384. Its totient is φ = 893333426664.

The previous prime is 2680000280021. The next prime is 2680000280077. The reversal of 2680000280028 is 8200820000862.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 74444452223 = 2680000280028 / (2 + 6 + 8 + 0 + 0 + 0 + 0 + 2 + 8 + 0 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 2680000279974 and 2680000280001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680000280021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37222226076 + ... + 37222226147.

Almost surely, 2^{2680000280028} is an apocalyptic number.

It is an amenable number.

2680000280028 is an abundant number, since it is smaller than the sum of its proper divisors (4094444872356).

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

2680000280028 is a wasteful number, since it uses less digits than its factorization.

2680000280028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74444452233 (or 74444452228 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 2680000280028 in words is "two trillion, six hundred eighty billion, two hundred eighty thousand, twenty-eight".