4240242421439 has 2 divisors, whose sum is σ = 4240242421440. Its totient is φ = 4240242421438.

The previous prime is 4240242421411. The next prime is 4240242421483. The reversal of 4240242421439 is 9341242420424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4240242421439 - 2¹² = 4240242417343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4240242421396 and 4240242421405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240242421739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120121210719 + 2120121210720.

It is an arithmetic number, because the mean of its divisors is an integer number (2120121210720).

Almost surely, 2^{4240242421439} is an apocalyptic number.

4240242421439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240242421439 is an equidigital number, since it uses as much as digits as its factorization.

4240242421439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 4240242421439 in words is "four trillion, two hundred forty billion, two hundred forty-two million, four hundred twenty-one thousand, four hundred thirty-nine".