40539463 has 2 divisors, whose sum is σ = 40539464. Its totient is φ = 40539462.

The previous prime is 40539439. The next prime is 40539469. The reversal of 40539463 is 36493504.

It is a happy number.

40539463 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40539463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40539469) 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, 20269731 + 20269732.

It is an arithmetic number, because the mean of its divisors is an integer number (20269732).

Almost surely, 2^40539463 is an apocalyptic number.

40539463 is a deficient number, since it is larger than the sum of its proper divisors (1).

40539463 is an equidigital number, since it uses as much as digits as its factorization.

40539463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 40539463 is about 6367.0607818679. The cubic root of 40539463 is about 343.5257769480.

The spelling of 40539463 in words is "forty million, five hundred thirty-nine thousand, four hundred sixty-three".