449026399 has 2 divisors, whose sum is σ = 449026400. Its totient is φ = 449026398.

The previous prime is 449026387. The next prime is 449026421. The reversal of 449026399 is 993620944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449026399 - 2¹⁷ = 448895327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449026349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224513199 + 224513200.

It is an arithmetic number, because the mean of its divisors is an integer number (224513200).

Almost surely, 2^449026399 is an apocalyptic number.

449026399 is a deficient number, since it is larger than the sum of its proper divisors (1).

449026399 is an equidigital number, since it uses as much as digits as its factorization.

449026399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 449026399 is about 21190.2430141799. The cubic root of 449026399 is about 765.7563817717.

The spelling of 449026399 in words is "four hundred forty-nine million, twenty-six thousand, three hundred ninety-nine".