240375439 has 2 divisors, whose sum is σ = 240375440. Its totient is φ = 240375438.

The previous prime is 240375419. The next prime is 240375449. The reversal of 240375439 is 934573042.

240375439 = 6327² + 6328² + ... + 6332².

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240375439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240375398 and 240375407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240375419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120187719 + 120187720.

It is an arithmetic number, because the mean of its divisors is an integer number (120187720).

Almost surely, 2^240375439 is an apocalyptic number.

240375439 is a deficient number, since it is larger than the sum of its proper divisors (1).

240375439 is an equidigital number, since it uses as much as digits as its factorization.

240375439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 240375439 is about 15504.0458913150. The cubic root of 240375439 is about 621.7703813268.

The spelling of 240375439 in words is "two hundred forty million, three hundred seventy-five thousand, four hundred thirty-nine".