204024400042 has 8 divisors (see below), whose sum is σ = 322143789600. Its totient is φ = 96643136844.

The previous prime is 204024400009. The next prime is 204024400057. The reversal of 204024400042 is 240004420402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 204024399986 and 204024400022.

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, 2684531542 + ... + 2684531617.

It is an arithmetic number, because the mean of its divisors is an integer number (40267973700).

Almost surely, 2^204024400042 is an apocalyptic number.

204024400042 is a deficient number, since it is larger than the sum of its proper divisors (118119389558).

204024400042 is a wasteful number, since it uses less digits than its factorization.

204024400042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369063180.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 204024400042 its reverse (240004420402), we get a palindrome (444028820444).

The spelling of 204024400042 in words is "two hundred four billion, twenty-four million, four hundred thousand, forty-two".