404040124120 has 32 divisors (see below), whose sum is σ = 913849931520. Its totient is φ = 160769889280.

The previous prime is 404040124073. The next prime is 404040124199. The reversal of 404040124120 is 21421040404.

It is a junction number, because it is equal to n+sod(n) for n = 404040124091 and 404040124100.

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, 26434777 + ... + 26450056.

It is an arithmetic number, because the mean of its divisors is an integer number (28557810360).

Almost surely, 2^404040124120 is an apocalyptic number.

404040124120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404040124120 is an abundant number, since it is smaller than the sum of its proper divisors (509809807400).

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

404040124120 is a wasteful number, since it uses less digits than its factorization.

404040124120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52885035 (or 52885031 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 404040124120 its reverse (21421040404), we get a palindrome (425461164524).

The spelling of 404040124120 in words is "four hundred four billion, forty million, one hundred twenty-four thousand, one hundred twenty".