272044120321 has 4 divisors (see below), whose sum is σ = 288046715652. Its totient is φ = 256041524992.

The previous prime is 272044120213. The next prime is 272044120349. The reversal of 272044120321 is 123021440272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237691351296 + 34352769025 = 487536^2 + 185345^2 .

It is a de Polignac number, because none of the positive numbers 2^k-272044120321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272044120321.

It is not an unprimeable number, because it can be changed into a prime (272044120351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8001297640 + ... + 8001297673.

It is an arithmetic number, because the mean of its divisors is an integer number (72011678913).

Almost surely, 2^272044120321 is an apocalyptic number.

It is an amenable number.

272044120321 is a deficient number, since it is larger than the sum of its proper divisors (16002595331).

272044120321 is a wasteful number, since it uses less digits than its factorization.

272044120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16002595330.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 272044120321 its reverse (123021440272), we get a palindrome (395065560593).

The spelling of 272044120321 in words is "two hundred seventy-two billion, forty-four million, one hundred twenty thousand, three hundred twenty-one".