40367645173 has 2 divisors, whose sum is σ = 40367645174. Its totient is φ = 40367645172.

The previous prime is 40367645113. The next prime is 40367645231. The reversal of 40367645173 is 37154676304.

40367645173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35065184049 + 5302461124 = 187257^2 + 72818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40367645173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40367645113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20183822586 + 20183822587.

It is an arithmetic number, because the mean of its divisors is an integer number (20183822587).

Almost surely, 2^40367645173 is an apocalyptic number.

It is an amenable number.

40367645173 is a deficient number, since it is larger than the sum of its proper divisors (1).

40367645173 is an equidigital number, since it uses as much as digits as its factorization.

40367645173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 40367645173 in words is "forty billion, three hundred sixty-seven million, six hundred forty-five thousand, one hundred seventy-three".