2684138018208 has 48 divisors (see below), whose sum is σ = 7066167464160. Its totient is φ = 892134238976.

The previous prime is 2684138018207. The next prime is 2684138018213. The reversal of 2684138018208 is 8028108314862.

2684138018208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×2684138018208³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2684138018201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40254543 + ... + 40321166.

It is an arithmetic number, because the mean of its divisors is an integer number (147211822170).

Almost surely, 2^{2684138018208} is an apocalyptic number.

It is an amenable number.

2684138018208 is an abundant number, since it is smaller than the sum of its proper divisors (4382029445952).

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

2684138018208 is a wasteful number, since it uses less digits than its factorization.

2684138018208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80576069 (or 80576061 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 51.

The spelling of 2684138018208 in words is "two trillion, six hundred eighty-four billion, one hundred thirty-eight million, eighteen thousand, two hundred eight".