240308087969 has 2 divisors, whose sum is σ = 240308087970. Its totient is φ = 240308087968.

The previous prime is 240308087923. The next prime is 240308088061. The reversal of 240308087969 is 969780803042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238632250000 + 1675837969 = 488500^2 + 40937^2 .

It is a cyclic number.

It is not a de Polignac number, because 240308087969 - 2⁸ = 240308087713 is a prime.

It is a super-2 number, since 2×240308087969² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (240308287969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120154043984 + 120154043985.

It is an arithmetic number, because the mean of its divisors is an integer number (120154043985).

Almost surely, 2^240308087969 is an apocalyptic number.

It is an amenable number.

240308087969 is a deficient number, since it is larger than the sum of its proper divisors (1).

240308087969 is an equidigital number, since it uses as much as digits as its factorization.

240308087969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 240308087969 in words is "two hundred forty billion, three hundred eight million, eighty-seven thousand, nine hundred sixty-nine".