421233320404 has 96 divisors (see below), whose sum is σ = 846879183360. Its totient is φ = 181607165952.

The previous prime is 421233320401. The next prime is 421233320429. The reversal of 421233320404 is 404023332124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421233320401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119429289 + ... + 119432815.

It is an arithmetic number, because the mean of its divisors is an integer number (8821658160).

Almost surely, 2^421233320404 is an apocalyptic number.

It is an amenable number.

421233320404 is an abundant number, since it is smaller than the sum of its proper divisors (425645862956).

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

421233320404 is a wasteful number, since it uses less digits than its factorization.

421233320404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 421233320404 its reverse (404023332124), we get a palindrome (825256652528).

The spelling of 421233320404 in words is "four hundred twenty-one billion, two hundred thirty-three million, three hundred twenty thousand, four hundred four".