421243440421322 has 8 divisors (see below), whose sum is σ = 631878508440000. Its totient is φ = 210617270941324.

The previous prime is 421243440421277. The next prime is 421243440421337. The reversal of 421243440421322 is 223124044342124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224516322 + ... + 2224705677.

It is an arithmetic number, because the mean of its divisors is an integer number (78984813555000).

Almost surely, 2^{421243440421322} is an apocalyptic number.

421243440421322 is a deficient number, since it is larger than the sum of its proper divisors (210635068018678).

421243440421322 is a wasteful number, since it uses less digits than its factorization.

421243440421322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449269340.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 421243440421322 its reverse (223124044342124), we get a palindrome (644367484763446).

The spelling of 421243440421322 in words is "four hundred twenty-one trillion, two hundred forty-three billion, four hundred forty million, four hundred twenty-one thousand, three hundred twenty-two".