2127805368 has 64 divisors (see below), whose sum is σ = 5779499040. Its totient is φ = 648904704.

The previous prime is 2127805367. The next prime is 2127805397. The reversal of 2127805368 is 8635087212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127805367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5080 + ... + 65432.

Almost surely, 2^2127805368 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 2127805368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889749520).

2127805368 is an abundant number, since it is smaller than the sum of its proper divisors (3651693672).

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

2127805368 is a wasteful number, since it uses less digits than its factorization.

2127805368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60488 (or 60484 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2127805368 is about 46128.1407385990. The cubic root of 2127805368 is about 1286.2063027104.

The spelling of 2127805368 in words is "two billion, one hundred twenty-seven million, eight hundred five thousand, three hundred sixty-eight".