340681682871 has 6 divisors (see below), whose sum is σ = 492095764160. Its totient is φ = 227121121908.

The previous prime is 340681682843. The next prime is 340681682903. The reversal of 340681682871 is 178286186043.

340681682871 is a `hidden beast` number, since 3 + 406 + 8 + 168 + 2 + 8 + 71 = 666.

It is not a de Polignac number, because 340681682871 - 2⁵ = 340681682839 is a prime.

It is a super-2 number, since 2×340681682871² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340681782871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18926760151 + ... + 18926760168.

Almost surely, 2^340681682871 is an apocalyptic number.

340681682871 is a deficient number, since it is larger than the sum of its proper divisors (151414081289).

340681682871 is a wasteful number, since it uses less digits than its factorization.

340681682871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37853520325 (or 37853520322 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 340681682871 in words is "three hundred forty billion, six hundred eighty-one million, six hundred eighty-two thousand, eight hundred seventy-one".