40847269 has 2 divisors, whose sum is σ = 40847270. Its totient is φ = 40847268.

The previous prime is 40847267. The next prime is 40847281. The reversal of 40847269 is 96274804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33350625 + 7496644 = 5775^2 + 2738^2 .

It is a cyclic number.

It is not a de Polignac number, because 40847269 - 2¹ = 40847267 is a prime.

It is a super-2 number, since 2×40847269² = 3336998769516722, which contains 22 as substring.

Together with 40847267, 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 (40847267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20423634 + 20423635.

It is an arithmetic number, because the mean of its divisors is an integer number (20423635).

Almost surely, 2^40847269 is an apocalyptic number.

It is an amenable number.

40847269 is a deficient number, since it is larger than the sum of its proper divisors (1).

40847269 is an equidigital number, since it uses as much as digits as its factorization.

40847269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 40847269 is about 6391.1868224924. The cubic root of 40847269 is about 344.3930208081.

The spelling of 40847269 in words is "forty million, eight hundred forty-seven thousand, two hundred sixty-nine".