420234236041 has 4 divisors (see below), whose sum is σ = 420447230532. Its totient is φ = 420021241552.

The previous prime is 420234235969. The next prime is 420234236053. The reversal of 420234236041 is 140632432024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 251823312400 + 168410923641 = 501820^2 + 410379^2 .

It is a cyclic number.

It is not a de Polignac number, because 420234236041 - 2⁹ = 420234235529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420234235994 and 420234236012.

It is not an unprimeable number, because it can be changed into a prime (420234236341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106494286 + ... + 106498231.

It is an arithmetic number, because the mean of its divisors is an integer number (105111807633).

Almost surely, 2^420234236041 is an apocalyptic number.

It is an amenable number.

420234236041 is a deficient number, since it is larger than the sum of its proper divisors (212994491).

420234236041 is a wasteful number, since it uses less digits than its factorization.

420234236041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212994490.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 420234236041 its reverse (140632432024), we get a palindrome (560866668065).

The spelling of 420234236041 in words is "four hundred twenty billion, two hundred thirty-four million, two hundred thirty-six thousand, forty-one".