2169879360 has 224 divisors, whose sum is σ = 7659453312. Its totient is φ = 515973120.

The previous prime is 2169879347. The next prime is 2169879391. The reversal of 2169879360 is 639789612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557742 + ... + 561618.

It is an arithmetic number, because the mean of its divisors is an integer number (34193988).

Almost surely, 2^2169879360 is an apocalyptic number.

2169879360 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 2169879360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3829726656).

2169879360 is an abundant number, since it is smaller than the sum of its proper divisors (5489573952).

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

2169879360 is a wasteful number, since it uses less digits than its factorization.

2169879360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961 (or 3951 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 2169879360 is about 46581.9638916180. The cubic root of 2169879360 is about 1294.6285980942.

The spelling of 2169879360 in words is "two billion, one hundred sixty-nine million, eight hundred seventy-nine thousand, three hundred sixty".