404023200120 has 48 divisors (see below), whose sum is σ = 1313075401560. Its totient is φ = 107739519936.

The previous prime is 404023200101. The next prime is 404023200131. The reversal of 404023200120 is 21002320404.

404023200120 is a `hidden beast` number, since 40 + 402 + 3 + 200 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 404023200093 and 404023200102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561142974 + ... + 561143693.

Almost surely, 2^404023200120 is an apocalyptic number.

404023200120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404023200120 is an abundant number, since it is smaller than the sum of its proper divisors (909052201440).

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

404023200120 is a wasteful number, since it uses less digits than its factorization.

404023200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122286684 (or 1122286677 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 404023200120 its reverse (21002320404), we get a palindrome (425025520524).

The spelling of 404023200120 in words is "four hundred four billion, twenty-three million, two hundred thousand, one hundred twenty".