204226138079 has 8 divisors (see below), whose sum is σ = 210198775920. Its totient is φ = 198300715200.

The previous prime is 204226138031. The next prime is 204226138177. The reversal of 204226138079 is 970831622402.

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

It is a cyclic number.

It is not a de Polignac number, because 204226138079 - 2⁸ = 204226137823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204226338079) 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, 11794964 + ... + 11812265.

It is an arithmetic number, because the mean of its divisors is an integer number (26274846990).

Almost surely, 2^204226138079 is an apocalyptic number.

204226138079 is a deficient number, since it is larger than the sum of its proper divisors (5972637841).

204226138079 is a wasteful number, since it uses less digits than its factorization.

204226138079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23607481.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 204226138079 in words is "two hundred four billion, two hundred twenty-six million, one hundred thirty-eight thousand, seventy-nine".