402424031441 has 2 divisors, whose sum is σ = 402424031442. Its totient is φ = 402424031440.

The previous prime is 402424031389. The next prime is 402424031491. The reversal of 402424031441 is 144130424204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361345254400 + 41078777041 = 601120^2 + 202679^2 .

It is a cyclic number.

It is not a de Polignac number, because 402424031441 - 2¹⁴ = 402424015057 is a prime.

It is not a weakly prime, because it can be changed into another prime (402424031491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201212015720 + 201212015721.

It is an arithmetic number, because the mean of its divisors is an integer number (201212015721).

Almost surely, 2^402424031441 is an apocalyptic number.

It is an amenable number.

402424031441 is a deficient number, since it is larger than the sum of its proper divisors (1).

402424031441 is an equidigital number, since it uses as much as digits as its factorization.

402424031441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 402424031441 its reverse (144130424204), we get a palindrome (546554455645).

The spelling of 402424031441 in words is "four hundred two billion, four hundred twenty-four million, thirty-one thousand, four hundred forty-one".