2758460656 has 80 divisors (see below), whose sum is σ = 6390019584. Its totient is φ = 1127884032.

The previous prime is 2758460651. The next prime is 2758460669. The reversal of 2758460656 is 6560648572.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2758460651) 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, 1201846 + ... + 1204138.

Almost surely, 2^2758460656 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 2758460656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3195009792).

2758460656 is an abundant number, since it is smaller than the sum of its proper divisors (3631558928).

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

2758460656 is a wasteful number, since it uses less digits than its factorization.

2758460656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The square root of 2758460656 is about 52521.0496467845. The cubic root of 2758460656 is about 1402.4549877469.

The spelling of 2758460656 in words is "two billion, seven hundred fifty-eight million, four hundred sixty thousand, six hundred fifty-six".