404143231024 has 20 divisors (see below), whose sum is σ = 843260395936. Its totient is φ = 186527644992.

The previous prime is 404143230971. The next prime is 404143231031. The reversal of 404143231024 is 420132341404.

It is a junction number, because it is equal to n+sod(n) for n = 404143230983 and 404143231001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971497944 + ... + 971498359.

Almost surely, 2^404143231024 is an apocalyptic number.

It is an amenable number.

404143231024 is an abundant number, since it is smaller than the sum of its proper divisors (439117164912).

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

404143231024 is a wasteful number, since it uses less digits than its factorization.

404143231024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942996324 (or 1942996318 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 404143231024 its reverse (420132341404), we get a palindrome (824275572428).

The spelling of 404143231024 in words is "four hundred four billion, one hundred forty-three million, two hundred thirty-one thousand, twenty-four".