1440327799 has 2 divisors, whose sum is σ = 1440327800. Its totient is φ = 1440327798.

The previous prime is 1440327773. The next prime is 1440327829. The reversal of 1440327799 is 9977230441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440327799 - 2⁵ = 1440327767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440327709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720163899 + 720163900.

It is an arithmetic number, because the mean of its divisors is an integer number (720163900).

Almost surely, 2^1440327799 is an apocalyptic number.

1440327799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440327799 is an equidigital number, since it uses as much as digits as its factorization.

1440327799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1440327799 is about 37951.6508073101. The cubic root of 1440327799 is about 1129.3289144532.

The spelling of 1440327799 in words is "one billion, four hundred forty million, three hundred twenty-seven thousand, seven hundred ninety-nine".