40667336617 has 2 divisors, whose sum is σ = 40667336618. Its totient is φ = 40667336616.

The previous prime is 40667336599. The next prime is 40667336681. The reversal of 40667336617 is 71663376604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22941343296 + 17725993321 = 151464^2 + 133139^2 .

It is a cyclic number.

It is not a de Polignac number, because 40667336617 - 2²³ = 40658948009 is a prime.

It is not a weakly prime, because it can be changed into another prime (40667333617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20333668308 + 20333668309.

It is an arithmetic number, because the mean of its divisors is an integer number (20333668309).

Almost surely, 2^40667336617 is an apocalyptic number.

It is an amenable number.

40667336617 is a deficient number, since it is larger than the sum of its proper divisors (1).

40667336617 is an equidigital number, since it uses as much as digits as its factorization.

40667336617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 49.

The spelling of 40667336617 in words is "forty billion, six hundred sixty-seven million, three hundred thirty-six thousand, six hundred seventeen".