40842341 has 2 divisors, whose sum is σ = 40842342. Its totient is φ = 40842340.

The previous prime is 40842323. The next prime is 40842349. The reversal of 40842341 is 14324804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40322500 + 519841 = 6350^2 + 721^2 .

It is a cyclic number.

It is not a de Polignac number, because 40842341 - 2²² = 36648037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40842341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40842349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20421170 + 20421171.

It is an arithmetic number, because the mean of its divisors is an integer number (20421171).

Almost surely, 2^40842341 is an apocalyptic number.

It is an amenable number.

40842341 is a deficient number, since it is larger than the sum of its proper divisors (1).

40842341 is an equidigital number, since it uses as much as digits as its factorization.

40842341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 40842341 is about 6390.8012799648. The cubic root of 40842341 is about 344.3791705385.

The spelling of 40842341 in words is "forty million, eight hundred forty-two thousand, three hundred forty-one".