404012011120 has 60 divisors (see below), whose sum is σ = 970606459800. Its totient is φ = 156391716480.

The previous prime is 404012011087. The next prime is 404012011129. The reversal of 404012011120 is 21110210404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 404012011094 and 404012011103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404012011129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2550670 + ... + 2704429.

It is an arithmetic number, because the mean of its divisors is an integer number (16176774330).

Almost surely, 2^404012011120 is an apocalyptic number.

404012011120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404012011120 is an abundant number, since it is smaller than the sum of its proper divisors (566594448680).

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

404012011120 is a wasteful number, since it uses less digits than its factorization.

404012011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255174 (or 5255137 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 404012011120 its reverse (21110210404), we get a palindrome (425122221524).

The spelling of 404012011120 in words is "four hundred four billion, twelve million, eleven thousand, one hundred twenty".