2685820480000 has 800 divisors, whose sum is σ = 8175960955008. Its totient is φ = 860160000000.

The previous prime is 2685820479997. The next prime is 2685820480001. The reversal of 2685820480000 is 840285862.

It is a tau number, because it is divible by the number of its divisors (800).

It is not an unprimeable number, because it can be changed into a prime (2685820480001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9558079860 + ... + 9558080140.

Almost surely, 2^{2685820480000} is an apocalyptic number.

2685820480000 is a gapful number since it is divisible by the number (20) 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 2685820480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4087980477504).

2685820480000 is an abundant number, since it is smaller than the sum of its proper divisors (5490140475008).

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

2685820480000 is an equidigital number, since it uses as much as digits as its factorization.

2685820480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 2685820480000 in words is "two trillion, six hundred eighty-five billion, eight hundred twenty million, four hundred eighty thousand".