204121634410426 has 16 divisors (see below), whose sum is σ = 310068216944640. Its totient is φ = 100765645746480.

The previous prime is 204121634410411. The next prime is 204121634410427. The reversal of 204121634410426 is 624014436121402.

It is not an unprimeable number, because it can be changed into a prime (204121634410427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16013301 + ... + 25781176.

It is an arithmetic number, because the mean of its divisors is an integer number (19379263559040).

Almost surely, 2^{204121634410426} is an apocalyptic number.

204121634410426 is a deficient number, since it is larger than the sum of its proper divisors (105946582534214).

204121634410426 is a wasteful number, since it uses less digits than its factorization.

204121634410426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41825469.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 204121634410426 in words is "two hundred four trillion, one hundred twenty-one billion, six hundred thirty-four million, four hundred ten thousand, four hundred twenty-six".