421320144410242 has 16 divisors (see below), whose sum is σ = 787923386949312. Its totient is φ = 164150705614320.

The previous prime is 421320144410237. The next prime is 421320144410251. The reversal of 421320144410242 is 242014441023124.

It is a junction number, because it is equal to n+sod(n) for n = 421320144410198 and 421320144410207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367922546633 + ... + 1367922546940.

It is an arithmetic number, because the mean of its divisors is an integer number (49245211684332).

Almost surely, 2^{421320144410242} is an apocalyptic number.

421320144410242 is a deficient number, since it is larger than the sum of its proper divisors (366603242539070).

421320144410242 is a wasteful number, since it uses less digits than its factorization.

421320144410242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735845093593.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 421320144410242 its reverse (242014441023124), we get a palindrome (663334585433366).

The spelling of 421320144410242 in words is "four hundred twenty-one trillion, three hundred twenty billion, one hundred forty-four million, four hundred ten thousand, two hundred forty-two".