40667269 has 2 divisors, whose sum is σ = 40667270. Its totient is φ = 40667268.

The previous prime is 40667233. The next prime is 40667299. The reversal of 40667269 is 96276604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40170244 + 497025 = 6338^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 40667269 - 2⁷ = 40667141 is a prime.

It is a super-2 number, since 2×40667269² = 3307653535836722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40667219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20333634 + 20333635.

It is an arithmetic number, because the mean of its divisors is an integer number (20333635).

Almost surely, 2^40667269 is an apocalyptic number.

It is an amenable number.

40667269 is a deficient number, since it is larger than the sum of its proper divisors (1).

40667269 is an equidigital number, since it uses as much as digits as its factorization.

40667269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 40667269 is about 6377.0893830963. The cubic root of 40667269 is about 343.8864016696.

The spelling of 40667269 in words is "forty million, six hundred sixty-seven thousand, two hundred sixty-nine".