3655478860 has 48 divisors (see below), whose sum is σ = 8457335712. Its totient is φ = 1316096000.

The previous prime is 3655478833. The next prime is 3655478867. The reversal of 3655478860 is 688745563.

3655478860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3655478798 and 3655478807.

It is not an unprimeable number, because it can be changed into a prime (3655478867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60037 + ... + 104476.

It is an arithmetic number, because the mean of its divisors is an integer number (176194494).

Almost surely, 2^3655478860 is an apocalyptic number.

It is an amenable number.

3655478860 is an abundant number, since it is smaller than the sum of its proper divisors (4801856852).

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

3655478860 is a wasteful number, since it uses less digits than its factorization.

3655478860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164634 (or 164632 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The square root of 3655478860 is about 60460.5562329689. The cubic root of 3655478860 is about 1540.4517227724.

The spelling of 3655478860 in words is "three billion, six hundred fifty-five million, four hundred seventy-eight thousand, eight hundred sixty".