2544221321392 has 40 divisors (see below), whose sum is σ = 5062812584256. Its totient is φ = 1237691160576.

The previous prime is 2544221321363. The next prime is 2544221321423. The reversal of 2544221321392 is 2931231224452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33702153 + ... + 33777559.

Almost surely, 2^{2544221321392} is an apocalyptic number.

It is an amenable number.

2544221321392 is a deficient number, since it is larger than the sum of its proper divisors (2518591262864).

2544221321392 is a wasteful number, since it uses less digits than its factorization.

2544221321392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132445 (or 132439 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The spelling of 2544221321392 in words is "two trillion, five hundred forty-four billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred ninety-two".