40027261 has 2 divisors, whose sum is σ = 40027262. Its totient is φ = 40027260.

The previous prime is 40027223. The next prime is 40027271. The reversal of 40027261 is 16272004.

40027261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38204761 + 1822500 = 6181^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 40027261 - 2⁷ = 40027133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40027271) 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, 20013630 + 20013631.

It is an arithmetic number, because the mean of its divisors is an integer number (20013631).

Almost surely, 2^40027261 is an apocalyptic number.

It is an amenable number.

40027261 is a deficient number, since it is larger than the sum of its proper divisors (1).

40027261 is an equidigital number, since it uses as much as digits as its factorization.

40027261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40027261 is about 6326.7101245434. The cubic root of 40027261 is about 342.0728644493.

Adding to 40027261 its reverse (16272004), we get a palindrome (56299265).

The spelling of 40027261 in words is "forty million, twenty-seven thousand, two hundred sixty-one".