2668175140 has 24 divisors (see below), whose sum is σ = 5607823032. Its totient is φ = 1066383360.

The previous prime is 2668175129. The next prime is 2668175171. The reversal of 2668175140 is 415718662.

It can be written as a sum of positive squares in 4 ways, for example, as 245172964 + 2423002176 = 15658^2 + 49224^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2668175093 and 2668175102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30471 + ... + 79150.

It is an arithmetic number, because the mean of its divisors is an integer number (233659293).

Almost surely, 2^2668175140 is an apocalyptic number.

2668175140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2668175140 is an abundant number, since it is smaller than the sum of its proper divisors (2939647892).

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

2668175140 is a wasteful number, since it uses less digits than its factorization.

2668175140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110847 (or 110845 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2668175140 is about 51654.3816147285. The cubic root of 2668175140 is about 1386.9839786606.

The spelling of 2668175140 in words is "two billion, six hundred sixty-eight million, one hundred seventy-five thousand, one hundred forty".