2548641456 has 80 divisors (see below), whose sum is σ = 7700598400. Its totient is φ = 804831552.

The previous prime is 2548641449. The next prime is 2548641493. The reversal of 2548641456 is 6541468452.

It is a happy number.

2548641456 is a `hidden beast` number, since 2 + 548 + 64 + 1 + 45 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147046 + ... + 163461.

It is an arithmetic number, because the mean of its divisors is an integer number (96257480).

Almost surely, 2^2548641456 is an apocalyptic number.

It is an amenable number.

2548641456 is an abundant number, since it is smaller than the sum of its proper divisors (5151956944).

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

2548641456 is a wasteful number, since it uses less digits than its factorization.

2548641456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310543 (or 310531 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 2548641456 is about 50484.0713096715. The cubic root of 2548641456 is about 1365.9545454686.

The spelling of 2548641456 in words is "two billion, five hundred forty-eight million, six hundred forty-one thousand, four hundred fifty-six".