240403210001 has 2 divisors, whose sum is σ = 240403210002. Its totient is φ = 240403210000.

The previous prime is 240403209989. The next prime is 240403210037. The reversal of 240403210001 is 100012304042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237105694225 + 3297515776 = 486935^2 + 57424^2 .

It is a cyclic number.

It is not a de Polignac number, because 240403210001 - 2¹⁰ = 240403208977 is a prime.

It is not a weakly prime, because it can be changed into another prime (240403210081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120201605000 + 120201605001.

It is an arithmetic number, because the mean of its divisors is an integer number (120201605001).

Almost surely, 2^240403210001 is an apocalyptic number.

It is an amenable number.

240403210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

240403210001 is an equidigital number, since it uses as much as digits as its factorization.

240403210001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 240403210001 its reverse (100012304042), we get a palindrome (340415514043).

The spelling of 240403210001 in words is "two hundred forty billion, four hundred three million, two hundred ten thousand, one".