40673443785 has 24 divisors (see below), whose sum is σ = 70468550784. Its totient is φ = 20023848000.

The previous prime is 40673443771. The next prime is 40673443819. The reversal of 40673443785 is 58734437604.

It is not a de Polignac number, because 40673443785 - 2⁸ = 40673443529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8019841 + ... + 8024910.

It is an arithmetic number, because the mean of its divisors is an integer number (2936189616).

Almost surely, 2^40673443785 is an apocalyptic number.

It is an amenable number.

40673443785 is a deficient number, since it is larger than the sum of its proper divisors (29795106999).

40673443785 is a wasteful number, since it uses less digits than its factorization.

40673443785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16044785 (or 16044772 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 40673443785 in words is "forty billion, six hundred seventy-three million, four hundred forty-three thousand, seven hundred eighty-five".