2655838650 has 24 divisors (see below), whose sum is σ = 6586480224. Its totient is φ = 708223600.

The previous prime is 2655838621. The next prime is 2655838663. The reversal of 2655838650 is 568385562.

It is a self number, because there is not a number n which added to its sum of digits gives 2655838650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8852646 + ... + 8852945.

It is an arithmetic number, because the mean of its divisors is an integer number (274436676).

Almost surely, 2^2655838650 is an apocalyptic number.

2655838650 is an abundant number, since it is smaller than the sum of its proper divisors (3930641574).

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

2655838650 is a wasteful number, since it uses less digits than its factorization.

2655838650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17705606 (or 17705601 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The square root of 2655838650 is about 51534.8294845340. The cubic root of 2655838650 is about 1384.8430706651.

The spelling of 2655838650 in words is "two billion, six hundred fifty-five million, eight hundred thirty-eight thousand, six hundred fifty".