2140171001838 has 24 divisors (see below), whose sum is σ = 4638814596000. Its totient is φ = 713116883904.

The previous prime is 2140171001803. The next prime is 2140171001867. The reversal of 2140171001838 is 8381001710412.

2140171001838 is a `hidden beast` number, since 2 + 1 + 401 + 71 + 0 + 0 + 183 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22739238 + ... + 22833161.

It is an arithmetic number, because the mean of its divisors is an integer number (193283941500).

Almost surely, 2^{2140171001838} is an apocalyptic number.

2140171001838 is an abundant number, since it is smaller than the sum of its proper divisors (2498643594162).

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

2140171001838 is a wasteful number, since it uses less digits than its factorization.

2140171001838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45575016 (or 45575013 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 2140171001838 in words is "two trillion, one hundred forty billion, one hundred seventy-one million, one thousand, eight hundred thirty-eight".