440639999927 has 2 divisors, whose sum is σ = 440639999928. Its totient is φ = 440639999926.

The previous prime is 440639999861. The next prime is 440640000013. The reversal of 440639999927 is 729999936044.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440639999927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440639999827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220319999963 + 220319999964.

It is an arithmetic number, because the mean of its divisors is an integer number (220319999964).

Almost surely, 2^440639999927 is an apocalyptic number.

440639999927 is a deficient number, since it is larger than the sum of its proper divisors (1).

440639999927 is an equidigital number, since it uses as much as digits as its factorization.

440639999927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238085568, while the sum is 71.

The spelling of 440639999927 in words is "four hundred forty billion, six hundred thirty-nine million, nine hundred ninety-nine thousand, nine hundred twenty-seven".