4400320999 has 2 divisors, whose sum is σ = 4400321000. Its totient is φ = 4400320998.

The previous prime is 4400320957. The next prime is 4400321027. The reversal of 4400320999 is 9990230044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4400320999 - 2¹⁵ = 4400288231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400321999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200160499 + 2200160500.

It is an arithmetic number, because the mean of its divisors is an integer number (2200160500).

Almost surely, 2^4400320999 is an apocalyptic number.

4400320999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400320999 is an equidigital number, since it uses as much as digits as its factorization.

4400320999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 4400320999 is about 66334.9153839816. The cubic root of 4400320999 is about 1638.6823889154.

The spelling of 4400320999 in words is "four billion, four hundred million, three hundred twenty thousand, nine hundred ninety-nine".