3565955680 has 96 divisors (see below), whose sum is σ = 9658172160. Its totient is φ = 1218792960.

The previous prime is 3565955677. The next prime is 3565955741. The reversal of 3565955680 is 865595653.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365911 + ... + 375529.

It is an arithmetic number, because the mean of its divisors is an integer number (100605960).

Almost surely, 2^3565955680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3565955680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4829086080).

3565955680 is an abundant number, since it is smaller than the sum of its proper divisors (6092216480).

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

3565955680 is a wasteful number, since it uses less digits than its factorization.

3565955680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9972 (or 9964 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 52.

The square root of 3565955680 is about 59715.6234163221. The cubic root of 3565955680 is about 1527.7723544530.

The spelling of 3565955680 in words is "three billion, five hundred sixty-five million, nine hundred fifty-five thousand, six hundred eighty".