2549576768 has 28 divisors (see below), whose sum is σ = 5356925532. Its totient is φ = 1199800320.

The previous prime is 2549576747. The next prime is 2549576773. The reversal of 2549576768 is 8676759452.

It can be written as a sum of positive squares in 2 ways, for example, as 1877315584 + 672261184 = 43328^2 + 25928^2 .

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 3 ways as a sum of consecutive naturals, for example, 1170593 + ... + 1172768.

It is an arithmetic number, because the mean of its divisors is an integer number (191318769).

Almost surely, 2^2549576768 is an apocalyptic number.

It is an amenable number.

2549576768 is an abundant number, since it is smaller than the sum of its proper divisors (2807348764).

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

2549576768 is a wasteful number, since it uses less digits than its factorization.

2549576768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343390 (or 2343380 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 59.

The square root of 2549576768 is about 50493.3338966640. Note that the first 3 decimals coincide. The cubic root of 2549576768 is about 1366.1216197637.

The spelling of 2549576768 in words is "two billion, five hundred forty-nine million, five hundred seventy-six thousand, seven hundred sixty-eight".