421421324324 has 48 divisors (see below), whose sum is σ = 990192771456. Its totient is φ = 151560115200.

The previous prime is 421421324309. The next prime is 421421324327. The reversal of 421421324324 is 423423124124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (421421324327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52621037 + ... + 52629044.

It is an arithmetic number, because the mean of its divisors is an integer number (20629016072).

Almost surely, 2^421421324324 is an apocalyptic number.

421421324324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421421324324 is an abundant number, since it is smaller than the sum of its proper divisors (568771447132).

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

421421324324 is a wasteful number, since it uses less digits than its factorization.

421421324324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105250116 (or 105250114 counting only the distinct ones).

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

Adding to 421421324324 its reverse (423423124124), we get a palindrome (844844448448).

The spelling of 421421324324 in words is "four hundred twenty-one billion, four hundred twenty-one million, three hundred twenty-four thousand, three hundred twenty-four".