2605842208 has 24 divisors (see below), whose sum is σ = 5131391580. Its totient is φ = 1302631680.

The previous prime is 2605842199. The next prime is 2605842227. The reversal of 2605842208 is 8022485062.

It can be written as a sum of positive squares in 2 ways, for example, as 1850032144 + 755810064 = 43012^2 + 27492^2 .

It is a super-2 number, since 2×2605842208² = 13580827225988630528, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 264898 + ... + 274558.

Almost surely, 2^2605842208 is an apocalyptic number.

It is an amenable number.

2605842208 is a deficient number, since it is larger than the sum of its proper divisors (2525549372).

2605842208 is an equidigital number, since it uses as much as digits as its factorization.

2605842208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18100 (or 18092 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 2605842208 is about 51047.4505533822. The cubic root of 2605842208 is about 1376.0980246103.

The spelling of 2605842208 in words is "two billion, six hundred five million, eight hundred forty-two thousand, two hundred eight".