421331444204 has 24 divisors (see below), whose sum is σ = 809483355408. Its totient is φ = 190294453440.

The previous prime is 421331444153. The next prime is 421331444227. The reversal of 421331444204 is 402444133124.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30488999 + ... + 30502814.

It is an arithmetic number, because the mean of its divisors is an integer number (33728473142).

Almost surely, 2^421331444204 is an apocalyptic number.

421331444204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421331444204 is a deficient number, since it is larger than the sum of its proper divisors (388151911204).

421331444204 is a wasteful number, since it uses less digits than its factorization.

421331444204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60991985 (or 60991983 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 421331444204 its reverse (402444133124), we get a palindrome (823775577328).

The spelling of 421331444204 in words is "four hundred twenty-one billion, three hundred thirty-one million, four hundred forty-four thousand, two hundred four".