3655945000 has 40 divisors (see below), whose sum is σ = 8565890850. Its totient is φ = 1462376000.

The previous prime is 3655944989. The next prime is 3655945039. The reversal of 3655945000 is 5495563.

3655945000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 1258884 + 3654686116 = 1122^2 + 60454^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 360595 + ... + 370594.

Almost surely, 2^3655945000 is an apocalyptic number.

It is an amenable number.

3655945000 is an abundant number, since it is smaller than the sum of its proper divisors (4909945850).

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

3655945000 is an equidigital number, since it uses as much as digits as its factorization.

3655945000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731215 (or 731196 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 3655945000 is about 60464.4110200372. The cubic root of 3655945000 is about 1540.5171985211.

The spelling of 3655945000 in words is "three billion, six hundred fifty-five million, nine hundred forty-five thousand".