204400000424 has 32 divisors (see below), whose sum is σ = 394046432640. Its totient is φ = 99339350400.

The previous prime is 204400000411. The next prime is 204400000471. The reversal of 204400000424 is 424000004402.

It is a junction number, because it is equal to n+sod(n) for n = 204400000396 and 204400000405.

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, 1060874 + ... + 1238649.

It is an arithmetic number, because the mean of its divisors is an integer number (12313951020).

Almost surely, 2^204400000424 is an apocalyptic number.

It is an amenable number.

204400000424 is a deficient number, since it is larger than the sum of its proper divisors (189646432216).

204400000424 is a wasteful number, since it uses less digits than its factorization.

204400000424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299841 (or 2299837 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 204400000424 its reverse (424000004402), we get a palindrome (628400004826).

The spelling of 204400000424 in words is "two hundred four billion, four hundred million, four hundred twenty-four", and thus it is an aban number.