440080626449 has 2 divisors, whose sum is σ = 440080626450. Its totient is φ = 440080626448.

The previous prime is 440080626437. The next prime is 440080626451. The reversal of 440080626449 is 944626080044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237760586449 + 202320040000 = 487607^2 + 449800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440080626449 is a prime.

Together with 440080626451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (440080626749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220040313224 + 220040313225.

It is an arithmetic number, because the mean of its divisors is an integer number (220040313225).

Almost surely, 2^440080626449 is an apocalyptic number.

It is an amenable number.

440080626449 is a deficient number, since it is larger than the sum of its proper divisors (1).

440080626449 is an equidigital number, since it uses as much as digits as its factorization.

440080626449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 440080626449 in words is "four hundred forty billion, eighty million, six hundred twenty-six thousand, four hundred forty-nine".