2818394408 has 32 divisors (see below), whose sum is σ = 5414455200. Its totient is φ = 1374625728.

The previous prime is 2818394399. The next prime is 2818394437. The reversal of 2818394408 is 8044938182.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 280235 + ... + 290117.

It is an arithmetic number, because the mean of its divisors is an integer number (169201725).

Almost surely, 2^2818394408 is an apocalyptic number.

It is an amenable number.

2818394408 is a deficient number, since it is larger than the sum of its proper divisors (2596060792).

2818394408 is a wasteful number, since it uses less digits than its factorization.

2818394408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10761 (or 10757 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 2818394408 is about 53088.5525137011. The cubic root of 2818394408 is about 1412.5394619513.

The spelling of 2818394408 in words is "two billion, eight hundred eighteen million, three hundred ninety-four thousand, four hundred eight".