40450847 has 2 divisors, whose sum is σ = 40450848. Its totient is φ = 40450846.

The previous prime is 40450841. The next prime is 40450873. The reversal of 40450847 is 74805404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40450847 - 2⁶ = 40450783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40450841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225423 + 20225424.

It is an arithmetic number, because the mean of its divisors is an integer number (20225424).

Almost surely, 2^40450847 is an apocalyptic number.

40450847 is a deficient number, since it is larger than the sum of its proper divisors (1).

40450847 is an equidigital number, since it uses as much as digits as its factorization.

40450847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40450847 is about 6360.0980338356. The cubic root of 40450847 is about 343.2752877856.

The spelling of 40450847 in words is "forty million, four hundred fifty thousand, eight hundred forty-seven".