2655544320 has 792 divisors, whose sum is σ = 11220049152. Its totient is φ = 575078400.

The previous prime is 2655544303. The next prime is 2655544349. The reversal of 2655544320 is 234455562.

2655544320 is a `hidden beast` number, since 2 + 65 + 554 + 43 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (792).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 85662705 + ... + 85662735.

Almost surely, 2^2655544320 is an apocalyptic number.

2655544320 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 2655544320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5610024576).

2655544320 is an abundant number, since it is smaller than the sum of its proper divisors (8564504832).

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

2655544320 is a wasteful number, since it uses less digits than its factorization.

2655544320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 65 counting only the distinct ones).

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

The square root of 2655544320 is about 51531.9737638682. The cubic root of 2655544320 is about 1384.7919109408.

Adding to 2655544320 its reverse (234455562), we get a palindrome (2889999882).

The spelling of 2655544320 in words is "two billion, six hundred fifty-five million, five hundred forty-four thousand, three hundred twenty".