2685266680 has 32 divisors (see below), whose sum is σ = 6046876800. Its totient is φ = 1073213056.

The previous prime is 2685266653. The next prime is 2685266693. The reversal of 2685266680 is 866625862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21849 + ... + 76471.

It is an arithmetic number, because the mean of its divisors is an integer number (188964900).

Almost surely, 2^2685266680 is an apocalyptic number.

2685266680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2685266680 is an abundant number, since it is smaller than the sum of its proper divisors (3361610120).

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

2685266680 is a wasteful number, since it uses less digits than its factorization.

2685266680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55863 (or 55859 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The square root of 2685266680 is about 51819.5588557062. The cubic root of 2685266680 is about 1389.9392137385.

The spelling of 2685266680 in words is "two billion, six hundred eighty-five million, two hundred sixty-six thousand, six hundred eighty".