204556300426 has 8 divisors (see below), whose sum is σ = 306837208260. Its totient is φ = 102277231008.

The previous prime is 204556300423. The next prime is 204556300427. The reversal of 204556300426 is 624003655402.

It can be written as a sum of positive squares in 2 ways, for example, as 174418993225 + 30137307201 = 417635^2 + 173601^2 .

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

It is not an unprimeable number, because it can be changed into a prime (204556300423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135811 + ... + 653878.

Almost surely, 2^204556300426 is an apocalyptic number.

204556300426 is a deficient number, since it is larger than the sum of its proper divisors (102280907834).

204556300426 is a wasteful number, since it uses less digits than its factorization.

204556300426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919208.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 204556300426 its reverse (624003655402), we get a palindrome (828559955828).

The spelling of 204556300426 in words is "two hundred four billion, five hundred fifty-six million, three hundred thousand, four hundred twenty-six".