2644560608 has 48 divisors (see below), whose sum is σ = 5498430336. Its totient is φ = 1249522560.

The previous prime is 2644560601. The next prime is 2644560649. The reversal of 2644560608 is 8060654462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644560601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39443 + ... + 82733.

It is an arithmetic number, because the mean of its divisors is an integer number (114550632).

Almost surely, 2^2644560608 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 2644560608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2749215168).

2644560608 is an abundant number, since it is smaller than the sum of its proper divisors (2853869728).

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

2644560608 is a wasteful number, since it uses less digits than its factorization.

2644560608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43407 (or 43399 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 2644560608 is about 51425.2915208072. The cubic root of 2644560608 is about 1382.8800399675.

The spelling of 2644560608 in words is "two billion, six hundred forty-four million, five hundred sixty thousand, six hundred eight".