1440405005147 has 2 divisors, whose sum is σ = 1440405005148. Its totient is φ = 1440405005146.

The previous prime is 1440405005119. The next prime is 1440405005153. The reversal of 1440405005147 is 7415005040441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1440405005147 - 2⁸ = 1440405004891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1440405005177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720202502573 + 720202502574.

It is an arithmetic number, because the mean of its divisors is an integer number (720202502574).

Almost surely, 2^{1440405005147} is an apocalyptic number.

1440405005147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440405005147 is an equidigital number, since it uses as much as digits as its factorization.

1440405005147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 35.

The spelling of 1440405005147 in words is "one trillion, four hundred forty billion, four hundred five million, five thousand, one hundred forty-seven".