2685385560 has 128 divisors (see below), whose sum is σ = 9464636160. Its totient is φ = 600921600.

The previous prime is 2685385559. The next prime is 2685385579. The reversal of 2685385560 is 655835862.

It is a super-2 number, since 2×2685385560² = 14422591211713027200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61086 + ... + 95405.

It is an arithmetic number, because the mean of its divisors is an integer number (73942470).

Almost surely, 2^2685385560 is an apocalyptic number.

2685385560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2685385560 is an abundant number, since it is smaller than the sum of its proper divisors (6779250600).

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

2685385560 is a wasteful number, since it uses less digits than its factorization.

2685385560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156529 (or 156525 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The square root of 2685385560 is about 51820.7059002480. The cubic root of 2685385560 is about 1389.9597248652.

The spelling of 2685385560 in words is "two billion, six hundred eighty-five million, three hundred eighty-five thousand, five hundred sixty".