3660822640 has 20 divisors (see below), whose sum is σ = 8511412824. Its totient is φ = 1464329024.

The previous prime is 3660822611. The next prime is 3660822679. The reversal of 3660822640 is 462280663.

3660822640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3660822640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22880062 + ... + 22880221.

Almost surely, 2^3660822640 is an apocalyptic number.

It is an amenable number.

3660822640 is an abundant number, since it is smaller than the sum of its proper divisors (4850590184).

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

3660822640 is a wasteful number, since it uses less digits than its factorization.

3660822640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45760296 (or 45760290 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 3660822640 is about 60504.7323768976. The cubic root of 3660822640 is about 1541.2019963049.

The spelling of 3660822640 in words is "three billion, six hundred sixty million, eight hundred twenty-two thousand, six hundred forty".