32440440221243 has 2 divisors, whose sum is σ = 32440440221244. Its totient is φ = 32440440221242.

The previous prime is 32440440221221. The next prime is 32440440221251. The reversal of 32440440221243 is 34212204404423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32440440221243 - 2⁸ = 32440440220987 is a prime.

It is not a weakly prime, because it can be changed into another prime (32440440221843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220220110621 + 16220220110622.

It is an arithmetic number, because the mean of its divisors is an integer number (16220220110622).

Almost surely, 2^{32440440221243} is an apocalyptic number.

32440440221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

32440440221243 is an equidigital number, since it uses as much as digits as its factorization.

32440440221243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 32440440221243 its reverse (34212204404423), we get a palindrome (66652644625666).

The spelling of 32440440221243 in words is "thirty-two trillion, four hundred forty billion, four hundred forty million, two hundred twenty-one thousand, two hundred forty-three".