440479999 has 2 divisors, whose sum is σ = 440480000. Its totient is φ = 440479998.

The previous prime is 440479997. The next prime is 440480039. The reversal of 440479999 is 999974044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440479999 - 2¹ = 440479997 is a prime.

Together with 440479997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440479993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220239999 + 220240000.

It is an arithmetic number, because the mean of its divisors is an integer number (220240000).

Almost surely, 2^440479999 is an apocalyptic number.

440479999 is a deficient number, since it is larger than the sum of its proper divisors (1).

440479999 is an equidigital number, since it uses as much as digits as its factorization.

440479999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 440479999 is about 20987.6153719283. The cubic root of 440479999 is about 760.8669694242.

The spelling of 440479999 in words is "four hundred forty million, four hundred seventy-nine thousand, nine hundred ninety-nine".