2040082681 has 24 divisors (see below), whose sum is σ = 2624847680. Its totient is φ = 1543915296.

The previous prime is 2040082679. The next prime is 2040082697. The reversal of 2040082681 is 1862800402.

It is not a de Polignac number, because 2040082681 - 2¹ = 2040082679 is a prime.

It is a super-2 number, since 2×2040082681² = 8323874690632295522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040082621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26950 + ... + 69328.

Almost surely, 2^2040082681 is an apocalyptic number.

It is an amenable number.

2040082681 is a deficient number, since it is larger than the sum of its proper divisors (584764999).

2040082681 is a wasteful number, since it uses less digits than its factorization.

2040082681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42445 (or 42422 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 2040082681 is about 45167.2744473252. The cubic root of 2040082681 is about 1268.2822750661.

The spelling of 2040082681 in words is "two billion, forty million, eighty-two thousand, six hundred eighty-one".