2544002816 has 18 divisors (see below), whose sum is σ = 5078068632. Its totient is φ = 1272001280.

The previous prime is 2544002803. The next prime is 2544002827. The reversal of 2544002816 is 6182004452.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4968500 + ... + 4969011.

It is an arithmetic number, because the mean of its divisors is an integer number (282114924).

Almost surely, 2^2544002816 is an apocalyptic number.

It is an amenable number.

2544002816 is a deficient number, since it is larger than the sum of its proper divisors (2534065816).

2544002816 is an frugal number, since it uses more digits than its factorization.

2544002816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937527 (or 9937513 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 2544002816 is about 50438.1087670821. The cubic root of 2544002816 is about 1365.1253430051.

The spelling of 2544002816 in words is "two billion, five hundred forty-four million, two thousand, eight hundred sixteen".