404011004424 has 16 divisors (see below), whose sum is σ = 1010027511120. Its totient is φ = 134670334800.

The previous prime is 404011004401. The next prime is 404011004431. The reversal of 404011004424 is 424400110404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 16833791851 = 404011004424 / (4 + 0 + 4 + 0 + 1 + 1 + 0 + 0 + 4 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 404011004394 and 404011004403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8416895902 + ... + 8416895949.

It is an arithmetic number, because the mean of its divisors is an integer number (63126719445).

Almost surely, 2^404011004424 is an apocalyptic number.

It is an amenable number.

404011004424 is an abundant number, since it is smaller than the sum of its proper divisors (606016506696).

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

404011004424 is a wasteful number, since it uses less digits than its factorization.

404011004424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833791860 (or 16833791856 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 404011004424 its reverse (424400110404), we get a palindrome (828411114828).

The spelling of 404011004424 in words is "four hundred four billion, eleven million, four thousand, four hundred twenty-four".