40788047 has 2 divisors, whose sum is σ = 40788048. Its totient is φ = 40788046.

The previous prime is 40788043. The next prime is 40788053. The reversal of 40788047 is 74088704.

40788047 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 is a cyclic number.

It is not a de Polignac number, because 40788047 - 2² = 40788043 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40788047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40788043) 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, 20394023 + 20394024.

It is an arithmetic number, because the mean of its divisors is an integer number (20394024).

Almost surely, 2^40788047 is an apocalyptic number.

40788047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40788047 is an equidigital number, since it uses as much as digits as its factorization.

40788047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 40788047 is about 6386.5520431607. The cubic root of 40788047 is about 344.2265020605.

The spelling of 40788047 in words is "forty million, seven hundred eighty-eight thousand, forty-seven".