404230320230144 has 72 divisors (see below), whose sum is σ = 808603026255360. Its totient is φ = 201684003949568.

The previous prime is 404230320230137. The next prime is 404230320230159. The reversal of 404230320230144 is 441032023032404.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 404230320230144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265047347 + ... + 3265171149.

It is an arithmetic number, because the mean of its divisors is an integer number (11230597586880).

Almost surely, 2^{404230320230144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404230320230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404301513127680).

404230320230144 is an abundant number, since it is smaller than the sum of its proper divisors (404372706025216).

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

404230320230144 is a wasteful number, since it uses less digits than its factorization.

404230320230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150925 (or 150911 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 404230320230144 its reverse (441032023032404), we get a palindrome (845262343262548).

The spelling of 404230320230144 in words is "four hundred four trillion, two hundred thirty billion, three hundred twenty million, two hundred thirty thousand, one hundred forty-four".