3640808008 has 8 divisors (see below), whose sum is σ = 6826515030. Its totient is φ = 1820404000.

The previous prime is 3640807993. The next prime is 3640808021. The reversal of 3640808008 is 8008080463.

It can be written as a sum of positive squares in only one way, i.e., 2788051204 + 852756804 = 52802^2 + 29202^2 .

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

It is a super-2 number, since 2×3640808008² = 26510965902233856128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227550493 + ... + 227550508.

Almost surely, 2^3640808008 is an apocalyptic number.

It is an amenable number.

3640808008 is a deficient number, since it is larger than the sum of its proper divisors (3185707022).

3640808008 is a wasteful number, since it uses less digits than its factorization.

3640808008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455101007 (or 455101003 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 3640808008 is about 60339.1084455182. The cubic root of 3640808008 is about 1538.3881499336.

The spelling of 3640808008 in words is "three billion, six hundred forty million, eight hundred eight thousand, eight".