2685118464 has 288 divisors, whose sum is σ = 9261907200. Its totient is φ = 766402560.

The previous prime is 2685118459. The next prime is 2685118481. The reversal of 2685118464 is 4648115862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×2685118464² = 14419722331427438592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2709009 + ... + 2709999.

It is an arithmetic number, because the mean of its divisors is an integer number (32159400).

Almost surely, 2^2685118464 is an apocalyptic number.

2685118464 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 2685118464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4630953600).

2685118464 is an abundant number, since it is smaller than the sum of its proper divisors (6576788736).

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

2685118464 is an equidigital number, since it uses as much as digits as its factorization.

2685118464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1003 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 2685118464 is about 51818.1287195900. The cubic root of 2685118464 is about 1389.9136402361.

The spelling of 2685118464 in words is "two billion, six hundred eighty-five million, one hundred eighteen thousand, four hundred sixty-four".