4400404006387 has 2 divisors, whose sum is σ = 4400404006388. Its totient is φ = 4400404006386.

The previous prime is 4400404006373. The next prime is 4400404006403. The reversal of 4400404006387 is 7836004040044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4400404006387 - 2¹⁹ = 4400403482099 is a prime.

It is not a weakly prime, because it can be changed into another prime (4400404000387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200202003193 + 2200202003194.

It is an arithmetic number, because the mean of its divisors is an integer number (2200202003194).

Almost surely, 2^{4400404006387} is an apocalyptic number.

4400404006387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400404006387 is an equidigital number, since it uses as much as digits as its factorization.

4400404006387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 4400404006387 in words is "four trillion, four hundred billion, four hundred four million, six thousand, three hundred eighty-seven".