240272712547009 has 2 divisors, whose sum is σ = 240272712547010. Its totient is φ = 240272712547008.

The previous prime is 240272712547003. The next prime is 240272712547019. The reversal of 240272712547009 is 900745217272042.

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., 237053074454784 + 3219638092225 = 15396528^2 + 1794335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240272712547009 is a prime.

It is a super-2 number, since 2×240272712547009² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240272712547003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120136356273504 + 120136356273505.

It is an arithmetic number, because the mean of its divisors is an integer number (120136356273505).

Almost surely, 2^{240272712547009} is an apocalyptic number.

It is an amenable number.

240272712547009 is a deficient number, since it is larger than the sum of its proper divisors (1).

240272712547009 is an equidigital number, since it uses as much as digits as its factorization.

240272712547009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 240272712547009 in words is "two hundred forty trillion, two hundred seventy-two billion, seven hundred twelve million, five hundred forty-seven thousand, nine".