40455351173 has 2 divisors, whose sum is σ = 40455351174. Its totient is φ = 40455351172.

The previous prime is 40455351143. The next prime is 40455351179. The reversal of 40455351173 is 37115355404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28743133444 + 11712217729 = 169538^2 + 108223^2 .

It is a cyclic number.

It is not a de Polignac number, because 40455351173 - 2¹⁰ = 40455350149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40455351179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227675586 + 20227675587.

It is an arithmetic number, because the mean of its divisors is an integer number (20227675587).

Almost surely, 2^40455351173 is an apocalyptic number.

It is an amenable number.

40455351173 is a deficient number, since it is larger than the sum of its proper divisors (1).

40455351173 is an equidigital number, since it uses as much as digits as its factorization.

40455351173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 40455351173 in words is "forty billion, four hundred fifty-five million, three hundred fifty-one thousand, one hundred seventy-three".