40706670677 has 2 divisors, whose sum is σ = 40706670678. Its totient is φ = 40706670676.

The previous prime is 40706670659. The next prime is 40706670709. The reversal of 40706670677 is 77607660704.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35993298961 + 4713371716 = 189719^2 + 68654^2 .

It is a cyclic number.

It is not a de Polignac number, because 40706670677 - 2²⁰ = 40705622101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40706670607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20353335338 + 20353335339.

It is an arithmetic number, because the mean of its divisors is an integer number (20353335339).

Almost surely, 2^40706670677 is an apocalyptic number.

It is an amenable number.

40706670677 is a deficient number, since it is larger than the sum of its proper divisors (1).

40706670677 is an equidigital number, since it uses as much as digits as its factorization.

40706670677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2074464, while the sum is 50.

The spelling of 40706670677 in words is "forty billion, seven hundred six million, six hundred seventy thousand, six hundred seventy-seven".