421144434234 has 24 divisors (see below), whose sum is σ = 913319097600. Its totient is φ = 140252325768.

The previous prime is 421144434233. The next prime is 421144434283. The reversal of 421144434234 is 432434441124.

421144434234 is a `hidden beast` number, since 4 + 211 + 4 + 4 + 434 + 2 + 3 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (421144434233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10742584 + ... + 10781715.

It is an arithmetic number, because the mean of its divisors is an integer number (38054962400).

Almost surely, 2^421144434234 is an apocalyptic number.

421144434234 is an abundant number, since it is smaller than the sum of its proper divisors (492174663366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421144434234 is a wasteful number, since it uses less digits than its factorization.

421144434234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21525394 (or 21525391 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 421144434234 its reverse (432434441124), we get a palindrome (853578875358).

The spelling of 421144434234 in words is "four hundred twenty-one billion, one hundred forty-four million, four hundred thirty-four thousand, two hundred thirty-four".