2655312856 has 64 divisors (see below), whose sum is σ = 5761082880. Its totient is φ = 1123837440.

The previous prime is 2655312851. The next prime is 2655312887. The reversal of 2655312856 is 6582135562.

Its product of digits (432000) is a multiple of the sum of its prime divisors (1500).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655312851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3013536 + ... + 3014416.

It is an arithmetic number, because the mean of its divisors is an integer number (90016920).

Almost surely, 2^2655312856 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 2655312856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880541440).

2655312856 is an abundant number, since it is smaller than the sum of its proper divisors (3105770024).

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

2655312856 is a wasteful number, since it uses less digits than its factorization.

2655312856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1500 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 2655312856 is about 51529.7278859495. The cubic root of 2655312856 is about 1384.7516757762.

The spelling of 2655312856 in words is "two billion, six hundred fifty-five million, three hundred twelve thousand, eight hundred fifty-six".