40271447 has 2 divisors, whose sum is σ = 40271448. Its totient is φ = 40271446.

The previous prime is 40271443. The next prime is 40271461. The reversal of 40271447 is 74417204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40271447 - 2² = 40271443 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40271443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20135723 + 20135724.

It is an arithmetic number, because the mean of its divisors is an integer number (20135724).

Almost surely, 2^40271447 is an apocalyptic number.

40271447 is a deficient number, since it is larger than the sum of its proper divisors (1).

40271447 is an equidigital number, since it uses as much as digits as its factorization.

40271447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 40271447 is about 6345.9788055114. The cubic root of 40271447 is about 342.7670590133.

The spelling of 40271447 in words is "forty million, two hundred seventy-one thousand, four hundred forty-seven".