40949471 has 2 divisors, whose sum is σ = 40949472. Its totient is φ = 40949470.

The previous prime is 40949449. The next prime is 40949473. The reversal of 40949471 is 17494904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40949471 - 2¹⁰ = 40948447 is a prime.

It is a super-3 number, since 3×40949471³ (a number of 24 digits) contains 333 as substring.

Together with 40949473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40949473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20474735 + 20474736.

It is an arithmetic number, because the mean of its divisors is an integer number (20474736).

Almost surely, 2^40949471 is an apocalyptic number.

40949471 is a deficient number, since it is larger than the sum of its proper divisors (1).

40949471 is an equidigital number, since it uses as much as digits as its factorization.

40949471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 40949471 is about 6399.1773690061. The cubic root of 40949471 is about 344.6800113598.

The spelling of 40949471 in words is "forty million, nine hundred forty-nine thousand, four hundred seventy-one".