3565000640 has 56 divisors (see below), whose sum is σ = 8988533712. Its totient is φ = 1342115840.

The previous prime is 3565000631. The next prime is 3565000661. The reversal of 3565000640 is 460005653.

It is a congruent 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, 322226 + ... + 333105.

Almost surely, 2^3565000640 is an apocalyptic number.

It is an amenable number.

3565000640 is an abundant number, since it is smaller than the sum of its proper divisors (5423533072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3565000640 is a wasteful number, since it uses less digits than its factorization.

3565000640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655365 (or 655355 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3565000640 is about 59707.6263135623. The cubic root of 3565000640 is about 1527.6359521233.

The spelling of 3565000640 in words is "three billion, five hundred sixty-five million, six hundred forty", and thus it is an aban number.