2640832808 has 8 divisors (see below), whose sum is σ = 4951561530. Its totient is φ = 1320416400.

The previous prime is 2640832739. The next prime is 2640832813. The reversal of 2640832808 is 8082380462.

It can be written as a sum of positive squares in only one way, i.e., 2450448004 + 190384804 = 49502^2 + 13798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 165052043 + ... + 165052058.

Almost surely, 2^2640832808 is an apocalyptic number.

It is an amenable number.

2640832808 is a deficient number, since it is larger than the sum of its proper divisors (2310728722).

2640832808 is a wasteful number, since it uses less digits than its factorization.

2640832808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330104107 (or 330104103 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 2640832808 is about 51389.0339274830. The cubic root of 2640832808 is about 1382.2299604138.

The spelling of 2640832808 in words is "two billion, six hundred forty million, eight hundred thirty-two thousand, eight hundred eight".