40373128017 has 12 divisors (see below), whose sum is σ = 58319124864. Its totient is φ = 26914318200.

The previous prime is 40373128013. The next prime is 40373128031. The reversal of 40373128017 is 71082137304.

40373128017 is a `hidden beast` number, since 4 + 0 + 373 + 1 + 280 + 1 + 7 = 666.

It is not a de Polignac number, because 40373128017 - 2² = 40373128013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40373128013) 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 in 11 ways as a sum of consecutive naturals, for example, 184392 + ... + 338742.

It is an arithmetic number, because the mean of its divisors is an integer number (4859927072).

Almost surely, 2^40373128017 is an apocalyptic number.

It is an amenable number.

40373128017 is a deficient number, since it is larger than the sum of its proper divisors (17945996847).

40373128017 is a wasteful number, since it uses less digits than its factorization.

40373128017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183420 (or 183417 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 40373128017 in words is "forty billion, three hundred seventy-three million, one hundred twenty-eight thousand, seventeen".