40104047 has 2 divisors, whose sum is σ = 40104048. Its totient is φ = 40104046.

The previous prime is 40104017. The next prime is 40104059. The reversal of 40104047 is 74040104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40104047 - 2⁶ = 40103983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40104007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20052023 + 20052024.

It is an arithmetic number, because the mean of its divisors is an integer number (20052024).

Almost surely, 2^40104047 is an apocalyptic number.

40104047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40104047 is an equidigital number, since it uses as much as digits as its factorization.

40104047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 40104047 is about 6332.7756157944. The cubic root of 40104047 is about 342.2914623765.

The spelling of 40104047 in words is "forty million, one hundred four thousand, forty-seven".