421330332234 has 32 divisors (see below), whose sum is σ = 996249064320. Its totient is φ = 116229056832.

The previous prime is 421330332223. The next prime is 421330332239. The reversal of 421330332234 is 432233033124.

It is not an unprimeable number, because it can be changed into a prime (421330332239) 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, 172958689 + ... + 172961124.

It is an arithmetic number, because the mean of its divisors is an integer number (31132783260).

Almost surely, 2^421330332234 is an apocalyptic number.

421330332234 is an abundant number, since it is smaller than the sum of its proper divisors (574918732086).

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

421330332234 is a wasteful number, since it uses less digits than its factorization.

421330332234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345919854.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 421330332234 its reverse (432233033124), we get a palindrome (853563365358).

The spelling of 421330332234 in words is "four hundred twenty-one billion, three hundred thirty million, three hundred thirty-two thousand, two hundred thirty-four".