2940545857 has 8 divisors (see below), whose sum is σ = 3042950400. Its totient is φ = 2838208464.

The previous prime is 2940545851. The next prime is 2940545891. The reversal of 2940545857 is 7585450492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2940545857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2940545857.

It is not an unprimeable number, because it can be changed into a prime (2940545851) 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, 82318 + ... + 112504.

It is an arithmetic number, because the mean of its divisors is an integer number (380368800).

Almost surely, 2^2940545857 is an apocalyptic number.

It is an amenable number.

2940545857 is a deficient number, since it is larger than the sum of its proper divisors (102404543).

2940545857 is a wasteful number, since it uses less digits than its factorization.

2940545857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33575.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The square root of 2940545857 is about 54226.8001729772. The cubic root of 2940545857 is about 1432.6584055078.

The spelling of 2940545857 in words is "two billion, nine hundred forty million, five hundred forty-five thousand, eight hundred fifty-seven".