40806573047 has 2 divisors, whose sum is σ = 40806573048. Its totient is φ = 40806573046.

The previous prime is 40806573037. The next prime is 40806573089. The reversal of 40806573047 is 74037560804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40806573047 - 2¹² = 40806568951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40806572989 and 40806573007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40806573007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20403286523 + 20403286524.

It is an arithmetic number, because the mean of its divisors is an integer number (20403286524).

Almost surely, 2^40806573047 is an apocalyptic number.

40806573047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40806573047 is an equidigital number, since it uses as much as digits as its factorization.

40806573047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 40806573047 in words is "forty billion, eight hundred six million, five hundred seventy-three thousand, forty-seven".