240627268405789 has 2 divisors, whose sum is σ = 240627268405790. Its totient is φ = 240627268405788.

The previous prime is 240627268405781. The next prime is 240627268405807. The reversal of 240627268405789 is 987504862726042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121488231508900 + 119139036896889 = 11022170^2 + 10915083^2 .

It is a cyclic number.

It is not a de Polignac number, because 240627268405789 - 2³ = 240627268405781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240627268405781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120313634202894 + 120313634202895.

It is an arithmetic number, because the mean of its divisors is an integer number (120313634202895).

Almost surely, 2^{240627268405789} is an apocalyptic number.

It is an amenable number.

240627268405789 is a deficient number, since it is larger than the sum of its proper divisors (1).

240627268405789 is an equidigital number, since it uses as much as digits as its factorization.

240627268405789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 650280960, while the sum is 70.

The spelling of 240627268405789 in words is "two hundred forty trillion, six hundred twenty-seven billion, two hundred sixty-eight million, four hundred five thousand, seven hundred eighty-nine".