44242252321 has 2 divisors, whose sum is σ = 44242252322. Its totient is φ = 44242252320.

The previous prime is 44242252253. The next prime is 44242252349. The reversal of 44242252321 is 12325224244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38771579025 + 5470673296 = 196905^2 + 73964^2 .

It is a cyclic number.

It is not a de Polignac number, because 44242252321 - 2¹⁷ = 44242121249 is a prime.

It is not a weakly prime, because it can be changed into another prime (44242252391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22121126160 + 22121126161.

It is an arithmetic number, because the mean of its divisors is an integer number (22121126161).

Almost surely, 2^44242252321 is an apocalyptic number.

It is an amenable number.

44242252321 is a deficient number, since it is larger than the sum of its proper divisors (1).

44242252321 is an equidigital number, since it uses as much as digits as its factorization.

44242252321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 31.

Adding to 44242252321 its reverse (12325224244), we get a palindrome (56567476565).

The spelling of 44242252321 in words is "forty-four billion, two hundred forty-two million, two hundred fifty-two thousand, three hundred twenty-one".