2685360384 has 144 divisors (see below), whose sum is σ = 9075687040. Its totient is φ = 767232000.

The previous prime is 2685360373. The next prime is 2685360389. The reversal of 2685360384 is 4830635862.

It is a happy number.

2685360384 is a `hidden beast` number, since 268 + 5 + 3 + 6 + 0 + 384 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×2685360384² = 14422320783913254912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2685360389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20634 + ... + 76134.

Almost surely, 2^2685360384 is an apocalyptic number.

2685360384 is a gapful number since it is divisible by the number (24) 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 2685360384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4537843520).

2685360384 is an abundant number, since it is smaller than the sum of its proper divisors (6390326656).

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

2685360384 is an equidigital number, since it uses as much as digits as its factorization.

2685360384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55533 (or 55513 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 2685360384 is about 51820.4629851953. The cubic root of 2685360384 is about 1389.9553811394.

The spelling of 2685360384 in words is "two billion, six hundred eighty-five million, three hundred sixty thousand, three hundred eighty-four".