40003322173 has 2 divisors, whose sum is σ = 40003322174. Its totient is φ = 40003322172.

The previous prime is 40003322147. The next prime is 40003322243. The reversal of 40003322173 is 37122330004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22165849924 + 17837472249 = 148882^2 + 133557^2 .

It is a cyclic number.

It is not a de Polignac number, because 40003322173 - 2⁵ = 40003322141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40003322143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001661086 + 20001661087.

It is an arithmetic number, because the mean of its divisors is an integer number (20001661087).

Almost surely, 2^40003322173 is an apocalyptic number.

It is an amenable number.

40003322173 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003322173 is an equidigital number, since it uses as much as digits as its factorization.

40003322173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 40003322173 its reverse (37122330004), we get a palindrome (77125652177).

The spelling of 40003322173 in words is "forty billion, three million, three hundred twenty-two thousand, one hundred seventy-three".