2140208748688 has 20 divisors (see below), whose sum is σ = 4162069531260. Its totient is φ = 1066126289024.

The previous prime is 2140208748617. The next prime is 2140208748697. The reversal of 2140208748688 is 8868478020412.

It can be written as a sum of positive squares in 2 ways, for example, as 1160290900224 + 979917848464 = 1077168^2 + 989908^2 .

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 3 ways as a sum of consecutive naturals, for example, 248625895 + ... + 248634502.

It is an arithmetic number, because the mean of its divisors is an integer number (208103476563).

Almost surely, 2^{2140208748688} is an apocalyptic number.

It is an amenable number.

2140208748688 is a deficient number, since it is larger than the sum of its proper divisors (2021860782572).

2140208748688 is a wasteful number, since it uses less digits than its factorization.

2140208748688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497260674 (or 497260668 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 58.

The spelling of 2140208748688 in words is "two trillion, one hundred forty billion, two hundred eight million, seven hundred forty-eight thousand, six hundred eighty-eight".