40182269 has 2 divisors, whose sum is σ = 40182270. Its totient is φ = 40182268.

The previous prime is 40182251. The next prime is 40182281. The reversal of 40182269 is 96228104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 14730244 = 5045^2 + 3838^2 .

It is a cyclic number.

It is not a de Polignac number, because 40182269 - 2²⁰ = 39133693 is a prime.

It is a super-2 number, since 2×40182269² = 3229229483976722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40182299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20091134 + 20091135.

It is an arithmetic number, because the mean of its divisors is an integer number (20091135).

Almost surely, 2^40182269 is an apocalyptic number.

It is an amenable number.

40182269 is a deficient number, since it is larger than the sum of its proper divisors (1).

40182269 is an equidigital number, since it uses as much as digits as its factorization.

40182269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 40182269 is about 6338.9485721214. The cubic root of 40182269 is about 342.5138616586.

The spelling of 40182269 in words is "forty million, one hundred eighty-two thousand, two hundred sixty-nine".