2840690018 has 8 divisors (see below), whose sum is σ = 4261602780. Its totient is φ = 1420155760.

The previous prime is 2840689963. The next prime is 2840690033. The reversal of 2840690018 is 8100960482.

2840690018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2536431769 + 304258249 = 50363^2 + 17443^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75053 + ... + 106368.

Almost surely, 2^2840690018 is an apocalyptic number.

2840690018 is a deficient number, since it is larger than the sum of its proper divisors (1420912762).

2840690018 is a wasteful number, since it uses less digits than its factorization.

2840690018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189252.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2840690018 is about 53298.1239632316. The cubic root of 2840690018 is about 1416.2544312957.

The spelling of 2840690018 in words is "two billion, eight hundred forty million, six hundred ninety thousand, eighteen".