2689130320 has 40 divisors (see below), whose sum is σ = 6358209120. Its totient is φ = 1057418880.

The previous prime is 2689130293. The next prime is 2689130341. The reversal of 2689130320 is 230319862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 280146 + ... + 289585.

It is an arithmetic number, because the mean of its divisors is an integer number (158955228).

Almost surely, 2^2689130320 is an apocalyptic number.

2689130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2689130320 is an abundant number, since it is smaller than the sum of its proper divisors (3669078800).

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

2689130320 is a wasteful number, since it uses less digits than its factorization.

2689130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569803 (or 569797 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2689130320 is about 51856.8252017032. The cubic root of 2689130320 is about 1390.6055226292.

The spelling of 2689130320 in words is "two billion, six hundred eighty-nine million, one hundred thirty thousand, three hundred twenty".