2040657868 has 6 divisors (see below), whose sum is σ = 3571151276. Its totient is φ = 1020328932.

The previous prime is 2040657851. The next prime is 2040657889. The reversal of 2040657868 is 8687560402.

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 as a sum of consecutive naturals, namely, 255082230 + ... + 255082237.

Almost surely, 2^2040657868 is an apocalyptic number.

It is an amenable number.

2040657868 is a deficient number, since it is larger than the sum of its proper divisors (1530493408).

2040657868 is a wasteful number, since it uses less digits than its factorization.

2040657868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510164471 (or 510164469 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 2040657868 is about 45173.6412966677. The cubic root of 2040657868 is about 1268.4014582959.

The spelling of 2040657868 in words is "two billion, forty million, six hundred fifty-seven thousand, eight hundred sixty-eight".