1440000259 has 2 divisors, whose sum is σ = 1440000260. Its totient is φ = 1440000258.

The previous prime is 1440000227. The next prime is 1440000269. The reversal of 1440000259 is 9520000441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1440000259 - 2⁵ = 1440000227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1440000209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720000129 + 720000130.

It is an arithmetic number, because the mean of its divisors is an integer number (720000130).

Almost surely, 2^1440000259 is an apocalyptic number.

1440000259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440000259 is an equidigital number, since it uses as much as digits as its factorization.

1440000259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1440000259 is about 37947.3353346450. The cubic root of 1440000259 is about 1129.2433023595.

The spelling of 1440000259 in words is "one billion, four hundred forty million, two hundred fifty-nine", and thus it is an aban number.