2680563456 has 180 divisors, whose sum is σ = 8040008592. Its totient is φ = 888274944.

The previous prime is 2680563421. The next prime is 2680563469. The reversal of 2680563456 is 6543650862.

2680563456 is a `hidden beast` number, since 2 + 6 + 8 + 0 + 5 + 634 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5328901 + ... + 5329403.

Almost surely, 2^2680563456 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 2680563456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4020004296).

2680563456 is an abundant number, since it is smaller than the sum of its proper divisors (5359445136).

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

2680563456 is an equidigital number, since it uses as much as digits as its factorization.

2680563456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 2680563456 is about 51774.1581872656. The cubic root of 2680563456 is about 1389.1272502128.

The spelling of 2680563456 in words is "two billion, six hundred eighty million, five hundred sixty-three thousand, four hundred fifty-six".