421230141044444 has 12 divisors (see below), whose sum is σ = 738515321224968. Its totient is φ = 210225763551600.

The previous prime is 421230141044443. The next prime is 421230141044551. The reversal of 421230141044444 is 444440141032124.

It is a junction number, because it is equal to n+sod(n) for n = 421230141044398 and 421230141044407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421230141044441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97326740222 + ... + 97326744549.

It is an arithmetic number, because the mean of its divisors is an integer number (61542943435414).

Almost surely, 2^{421230141044444} is an apocalyptic number.

It is an amenable number.

421230141044444 is a deficient number, since it is larger than the sum of its proper divisors (317285180180524).

421230141044444 is a wasteful number, since it uses less digits than its factorization.

421230141044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194653485316 (or 194653485314 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 421230141044444 its reverse (444440141032124), we get a palindrome (865670282076568).

The spelling of 421230141044444 in words is "four hundred twenty-one trillion, two hundred thirty billion, one hundred forty-one million, forty-four thousand, four hundred forty-four".