40450305047 has 2 divisors, whose sum is σ = 40450305048. Its totient is φ = 40450305046.

The previous prime is 40450305043. The next prime is 40450305073. The reversal of 40450305047 is 74050305404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40450305047 - 2² = 40450305043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40450305041) 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, 20225152523 + 20225152524.

It is an arithmetic number, because the mean of its divisors is an integer number (20225152524).

Almost surely, 2^40450305047 is an apocalyptic number.

40450305047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40450305047 is an equidigital number, since it uses as much as digits as its factorization.

40450305047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 32.

The spelling of 40450305047 in words is "forty billion, four hundred fifty million, three hundred five thousand, forty-seven".