2655544320000 has 2520 divisors, whose sum is σ = 11688805484928. Its totient is φ = 575078400000.

The previous prime is 2655544319947. The next prime is 2655544320047. The reversal of 2655544320000 is 234455562.

2655544320000 is a `hidden beast` number, since 2 + 6 + 5 + 5 + 5 + 443 + 200 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 85662719985 + ... + 85662720015.

Almost surely, 2^{2655544320000} is an apocalyptic number.

2655544320000 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 2655544320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5844402742464).

2655544320000 is an abundant number, since it is smaller than the sum of its proper divisors (9033261164928).

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

2655544320000 is a wasteful number, since it uses less digits than its factorization.

2655544320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 2655544320000 its reverse (234455562), we get a palindrome (2655778775562).

The spelling of 2655544320000 in words is "two trillion, six hundred fifty-five billion, five hundred forty-four million, three hundred twenty thousand".