403240441 has 2 divisors, whose sum is σ = 403240442. Its totient is φ = 403240440.

The previous prime is 403240429. The next prime is 403240451. The reversal of 403240441 is 144042304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392872041 + 10368400 = 19821^2 + 3220^2 .

It is a cyclic number.

It is not a de Polignac number, because 403240441 - 2¹¹ = 403238393 is a prime.

It is not a weakly prime, because it can be changed into another prime (403240451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201620220 + 201620221.

It is an arithmetic number, because the mean of its divisors is an integer number (201620221).

Almost surely, 2^403240441 is an apocalyptic number.

It is an amenable number.

403240441 is a deficient number, since it is larger than the sum of its proper divisors (1).

403240441 is an equidigital number, since it uses as much as digits as its factorization.

403240441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 403240441 is about 20080.8476165724. The cubic root of 403240441 is about 738.7905987844.

Adding to 403240441 its reverse (144042304), we get a palindrome (547282745).

The spelling of 403240441 in words is "four hundred three million, two hundred forty thousand, four hundred forty-one".