2544868372 has 6 divisors (see below), whose sum is σ = 4453519658. Its totient is φ = 1272434184.

The previous prime is 2544868369. The next prime is 2544868387. The reversal of 2544868372 is 2738684452.

It can be written as a sum of positive squares in only one way, i.e., 2409239056 + 135629316 = 49084^2 + 11646^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 318108543 + ... + 318108550.

Almost surely, 2^2544868372 is an apocalyptic number.

It is an amenable number.

2544868372 is a deficient number, since it is larger than the sum of its proper divisors (1908651286).

2544868372 is a wasteful number, since it uses less digits than its factorization.

2544868372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636217097 (or 636217095 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 49.

The square root of 2544868372 is about 50446.6884146026. The cubic root of 2544868372 is about 1365.2801460899.

The spelling of 2544868372 in words is "two billion, five hundred forty-four million, eight hundred sixty-eight thousand, three hundred seventy-two".