2655450660 has 96 divisors (see below), whose sum is σ = 7954087680. Its totient is φ = 659570688.

The previous prime is 2655450647. The next prime is 2655450661. The reversal of 2655450660 is 660545562.

It is a happy number.

2655450660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2655450661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85521 + ... + 112359.

It is an arithmetic number, because the mean of its divisors is an integer number (82855080).

Almost surely, 2^2655450660 is an apocalyptic number.

2655450660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2655450660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3977043840).

2655450660 is an abundant number, since it is smaller than the sum of its proper divisors (5298637020).

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

2655450660 is a wasteful number, since it uses less digits than its factorization.

2655450660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26965 (or 26963 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 2655450660 is about 51531.0649996679. The cubic root of 2655450660 is about 1384.7756303947.

The spelling of 2655450660 in words is "two billion, six hundred fifty-five million, four hundred fifty thousand, six hundred sixty".