420144120551241 has 6 divisors (see below), whose sum is σ = 606874840796250. Its totient is φ = 280096080367488.

The previous prime is 420144120551209. The next prime is 420144120551251. The reversal of 420144120551241 is 142155021441024.

It is a happy number.

420144120551241 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 4 + 41 + 20 + 551 + 2 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 380344424861241 + 39799695690000 = 19502421^2 + 6308700^2 .

It is not a de Polignac number, because 420144120551241 - 2⁵ = 420144120551209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420144120551196 and 420144120551205.

It is not an unprimeable number, because it can be changed into a prime (420144120551251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23341340030616 + ... + 23341340030633.

It is an arithmetic number, because the mean of its divisors is an integer number (101145806799375).

Almost surely, 2^{420144120551241} is an apocalyptic number.

It is an amenable number.

420144120551241 is a deficient number, since it is larger than the sum of its proper divisors (186730720245009).

420144120551241 is a wasteful number, since it uses less digits than its factorization.

420144120551241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46682680061255 (or 46682680061252 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

Adding to 420144120551241 its reverse (142155021441024), we get a palindrome (562299141992265).

The spelling of 420144120551241 in words is "four hundred twenty trillion, one hundred forty-four billion, one hundred twenty million, five hundred fifty-one thousand, two hundred forty-one".