2544894544 has 20 divisors (see below), whose sum is σ = 4935237696. Its totient is φ = 1271284832.

The previous prime is 2544894497. The next prime is 2544894581. The reversal of 2544894544 is 4454984452.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 54454 + ... + 89749.

Almost surely, 2^2544894544 is an apocalyptic number.

It is an amenable number.

2544894544 is a deficient number, since it is larger than the sum of its proper divisors (2390343152).

2544894544 is a wasteful number, since it uses less digits than its factorization.

2544894544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145314 (or 145308 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 49.

The square root of 2544894544 is about 50446.9478164933. The cubic root of 2544894544 is about 1365.2848263568.

The spelling of 2544894544 in words is "two billion, five hundred forty-four million, eight hundred ninety-four thousand, five hundred forty-four".