240040420601 has 2 divisors, whose sum is σ = 240040420602. Its totient is φ = 240040420600.

The previous prime is 240040420579. The next prime is 240040420603. The reversal of 240040420601 is 106024040042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161685214201 + 78355206400 = 402101^2 + 279920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240040420601 is a prime.

Together with 240040420603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240040420603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120020210300 + 120020210301.

It is an arithmetic number, because the mean of its divisors is an integer number (120020210301).

Almost surely, 2^240040420601 is an apocalyptic number.

It is an amenable number.

240040420601 is a deficient number, since it is larger than the sum of its proper divisors (1).

240040420601 is an equidigital number, since it uses as much as digits as its factorization.

240040420601 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 23.

Adding to 240040420601 its reverse (106024040042), we get a palindrome (346064460643).

The spelling of 240040420601 in words is "two hundred forty billion, forty million, four hundred twenty thousand, six hundred one".