40115230273 has 2 divisors, whose sum is σ = 40115230274. Its totient is φ = 40115230272.

The previous prime is 40115230249. The next prime is 40115230277. The reversal of 40115230273 is 37203251104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34449958449 + 5665271824 = 185607^2 + 75268^2 .

It is a cyclic number.

It is not a de Polignac number, because 40115230273 - 2⁹ = 40115229761 is a prime.

It is not a weakly prime, because it can be changed into another prime (40115230277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20057615136 + 20057615137.

It is an arithmetic number, because the mean of its divisors is an integer number (20057615137).

Almost surely, 2^40115230273 is an apocalyptic number.

It is an amenable number.

40115230273 is a deficient number, since it is larger than the sum of its proper divisors (1).

40115230273 is an equidigital number, since it uses as much as digits as its factorization.

40115230273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 40115230273 its reverse (37203251104), we get a palindrome (77318481377).

The spelling of 40115230273 in words is "forty billion, one hundred fifteen million, two hundred thirty thousand, two hundred seventy-three".