2680505472 has 64 divisors (see below), whose sum is σ = 7131758400. Its totient is φ = 892038144.

The previous prime is 2680505461. The next prime is 2680505479. The reversal of 2680505472 is 2745050862.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 2680505472.

It is not an unprimeable number, because it can be changed into a prime (2680505479) 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, 243054 + ... + 253842.

It is an arithmetic number, because the mean of its divisors is an integer number (111433725).

Almost surely, 2^2680505472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2680505472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3565879200).

2680505472 is an abundant number, since it is smaller than the sum of its proper divisors (4451252928).

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

2680505472 is a wasteful number, since it uses less digits than its factorization.

2680505472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11453 (or 11441 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 2680505472 is about 51773.5982137614. The cubic root of 2680505472 is about 1389.1172339436.

The spelling of 2680505472 in words is "two billion, six hundred eighty million, five hundred five thousand, four hundred seventy-two".