2655522240 has 224 divisors, whose sum is σ = 9703271424. Its totient is φ = 602726400.

The previous prime is 2655522239. The next prime is 2655522299. The reversal of 2655522240 is 422255562.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1013412 + ... + 1016028.

It is an arithmetic number, because the mean of its divisors is an integer number (43318176).

Almost surely, 2^2655522240 is an apocalyptic number.

2655522240 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 2655522240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4851635712).

2655522240 is an abundant number, since it is smaller than the sum of its proper divisors (7047749184).

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

2655522240 is a wasteful number, since it uses less digits than its factorization.

2655522240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 2655522240 is about 51531.7595274992. The cubic root of 2655522240 is about 1384.7880728965.

The spelling of 2655522240 in words is "two billion, six hundred fifty-five million, five hundred twenty-two thousand, two hundred forty".