2544115872 has 48 divisors (see below), whose sum is σ = 6791510880. Its totient is φ = 833663232.

The previous prime is 2544115853. The next prime is 2544115883. The reversal of 2544115872 is 2785114452.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2544115872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218923 + ... + 230250.

It is an arithmetic number, because the mean of its divisors is an integer number (141489810).

Almost surely, 2^2544115872 is an apocalyptic number.

It is an amenable number.

2544115872 is an abundant number, since it is smaller than the sum of its proper divisors (4247395008).

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

2544115872 is a wasteful number, since it uses less digits than its factorization.

2544115872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449245 (or 449237 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 2544115872 is about 50439.2294945115. The cubic root of 2544115872 is about 1365.1455648544.

The spelling of 2544115872 in words is "two billion, five hundred forty-four million, one hundred fifteen thousand, eight hundred seventy-two".