2658561288 has 16 divisors (see below), whose sum is σ = 6646403280. Its totient is φ = 886187088.

The previous prime is 2658561287. The next prime is 2658561293. The reversal of 2658561288 is 8821658562.

2658561288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2658561288.

It is not an unprimeable number, because it can be changed into a prime (2658561287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55386670 + ... + 55386717.

It is an arithmetic number, because the mean of its divisors is an integer number (415400205).

Almost surely, 2^2658561288 is an apocalyptic number.

It is an amenable number.

2658561288 is an abundant number, since it is smaller than the sum of its proper divisors (3987841992).

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

2658561288 is a wasteful number, since it uses less digits than its factorization.

2658561288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110773396 (or 110773392 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The square root of 2658561288 is about 51561.2382318346. The cubic root of 2658561288 is about 1385.3161338764.

The spelling of 2658561288 in words is "two billion, six hundred fifty-eight million, five hundred sixty-one thousand, two hundred eighty-eight".