40339441 has 2 divisors, whose sum is σ = 40339442. Its totient is φ = 40339440.

The previous prime is 40339393. The next prime is 40339457. The reversal of 40339441 is 14493304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39955041 + 384400 = 6321^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 40339441 - 2¹¹ = 40337393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40339471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20169720 + 20169721.

It is an arithmetic number, because the mean of its divisors is an integer number (20169721).

Almost surely, 2^40339441 is an apocalyptic number.

It is an amenable number.

40339441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40339441 is an equidigital number, since it uses as much as digits as its factorization.

40339441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 40339441 is about 6351.3337969280. Note that the first 3 decimals coincide. The cubic root of 40339441 is about 342.9598589648.

The spelling of 40339441 in words is "forty million, three hundred thirty-nine thousand, four hundred forty-one".