240045155277709 has 2 divisors, whose sum is σ = 240045155277710. Its totient is φ = 240045155277708.

The previous prime is 240045155277677. The next prime is 240045155277737. The reversal of 240045155277709 is 907772551540042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193518091122084 + 46527064155625 = 13911078^2 + 6821075^2 .

It is a cyclic number.

It is not a de Polignac number, because 240045155277709 - 2⁵ = 240045155277677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240045155217709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120022577638854 + 120022577638855.

It is an arithmetic number, because the mean of its divisors is an integer number (120022577638855).

Almost surely, 2^{240045155277709} is an apocalyptic number.

It is an amenable number.

240045155277709 is a deficient number, since it is larger than the sum of its proper divisors (1).

240045155277709 is an equidigital number, since it uses as much as digits as its factorization.

240045155277709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696000, while the sum is 58.

The spelling of 240045155277709 in words is "two hundred forty trillion, forty-five billion, one hundred fifty-five million, two hundred seventy-seven thousand, seven hundred nine".