404144130330 has 96 divisors (see below), whose sum is σ = 1086996837888. Its totient is φ = 104071593600.

The previous prime is 404144130317. The next prime is 404144130337. The reversal of 404144130330 is 33031441404.

It is a junction number, because it is equal to n+sod(n) for n = 404144130294 and 404144130303.

It is not an unprimeable number, because it can be changed into a prime (404144130337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1147840 + ... + 1458020.

It is an arithmetic number, because the mean of its divisors is an integer number (11322883728).

Almost surely, 2^404144130330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404144130330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543498418944).

404144130330 is an abundant number, since it is smaller than the sum of its proper divisors (682852707558).

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

404144130330 is a wasteful number, since it uses less digits than its factorization.

404144130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310692 (or 310689 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 404144130330 its reverse (33031441404), we get a palindrome (437175571734).

The spelling of 404144130330 in words is "four hundred four billion, one hundred forty-four million, one hundred thirty thousand, three hundred thirty".