40241003221 has 2 divisors, whose sum is σ = 40241003222. Its totient is φ = 40241003220.

The previous prime is 40241003213. The next prime is 40241003227. The reversal of 40241003221 is 12230014204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35058443121 + 5182560100 = 187239^2 + 71990^2 .

It is a cyclic number.

It is not a de Polignac number, because 40241003221 - 2³ = 40241003213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40241003227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120501610 + 20120501611.

It is an arithmetic number, because the mean of its divisors is an integer number (20120501611).

Almost surely, 2^40241003221 is an apocalyptic number.

It is an amenable number.

40241003221 is a deficient number, since it is larger than the sum of its proper divisors (1).

40241003221 is an equidigital number, since it uses as much as digits as its factorization.

40241003221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40241003221 its reverse (12230014204), we get a palindrome (52471017425).

The spelling of 40241003221 in words is "forty billion, two hundred forty-one million, three thousand, two hundred twenty-one".