2686269680 has 40 divisors (see below), whose sum is σ = 6248112000. Its totient is φ = 1074071808.

The previous prime is 2686269661. The next prime is 2686269683. The reversal of 2686269680 is 869626862.

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

It is a super-3 number, since 3×2686269680³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686269683) by changing a digit.

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, 253121 + ... + 263519.

It is an arithmetic number, because the mean of its divisors is an integer number (156202800).

Almost surely, 2^2686269680 is an apocalyptic number.

2686269680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686269680 is an abundant number, since it is smaller than the sum of its proper divisors (3561842320).

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

2686269680 is a wasteful number, since it uses less digits than its factorization.

2686269680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13641 (or 13635 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The square root of 2686269680 is about 51829.2357651548. The cubic root of 2686269680 is about 1390.1122487548.

The spelling of 2686269680 in words is "two billion, six hundred eighty-six million, two hundred sixty-nine thousand, six hundred eighty".