2040718857 has 8 divisors (see below), whose sum is σ = 2722023840. Its totient is φ = 1359946560.

The previous prime is 2040718843. The next prime is 2040718937. The reversal of 2040718857 is 7588170402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2040718857 - 2⁶ = 2040718793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040718817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124144 + ... + 139617.

It is an arithmetic number, because the mean of its divisors is an integer number (340252980).

Almost surely, 2^2040718857 is an apocalyptic number.

It is an amenable number.

2040718857 is a deficient number, since it is larger than the sum of its proper divisors (681304983).

2040718857 is a wasteful number, since it uses less digits than its factorization.

2040718857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266343.

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 2040718857 is about 45174.3163423643. The cubic root of 2040718857 is about 1268.4140943788.

The spelling of 2040718857 in words is "two billion, forty million, seven hundred eighteen thousand, eight hundred fifty-seven".