40207471 has 2 divisors, whose sum is σ = 40207472. Its totient is φ = 40207470.

The previous prime is 40207469. The next prime is 40207481. The reversal of 40207471 is 17470204.

40207471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40207471 - 2¹ = 40207469 is a prime.

It is a super-3 number, since 3×40207471³ (a number of 24 digits) contains 333 as substring.

Together with 40207469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40207481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20103735 + 20103736.

It is an arithmetic number, because the mean of its divisors is an integer number (20103736).

Almost surely, 2^40207471 is an apocalyptic number.

40207471 is a deficient number, since it is larger than the sum of its proper divisors (1).

40207471 is an equidigital number, since it uses as much as digits as its factorization.

40207471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 40207471 is about 6340.9361296263. The cubic root of 40207471 is about 342.5854540179.

Adding to 40207471 its reverse (17470204), we get a palindrome (57677675).

The spelling of 40207471 in words is "forty million, two hundred seven thousand, four hundred seventy-one".