40120273 has 2 divisors, whose sum is σ = 40120274. Its totient is φ = 40120272.

The previous prime is 40120271. The next prime is 40120309. The reversal of 40120273 is 37202104.

40120273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25120144 + 15000129 = 5012^2 + 3873^2 .

It is a cyclic number.

It is not a de Polignac number, because 40120273 - 2¹ = 40120271 is a prime.

Together with 40120271, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40120273.

It is not a weakly prime, because it can be changed into another prime (40120271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060136 + 20060137.

It is an arithmetic number, because the mean of its divisors is an integer number (20060137).

Almost surely, 2^40120273 is an apocalyptic number.

It is an amenable number.

40120273 is a deficient number, since it is larger than the sum of its proper divisors (1).

40120273 is an equidigital number, since it uses as much as digits as its factorization.

40120273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 40120273 is about 6334.0565990525. The cubic root of 40120273 is about 342.3376195834.

Adding to 40120273 its reverse (37202104), we get a palindrome (77322377).

The spelling of 40120273 in words is "forty million, one hundred twenty thousand, two hundred seventy-three".