204456421436422 has 8 divisors (see below), whose sum is σ = 307449431737272. Its totient is φ = 101973277524000.

The previous prime is 204456421436411. The next prime is 204456421436431. The reversal of 204456421436422 is 224634124654402.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127466596104 + ... + 127466597707.

It is an arithmetic number, because the mean of its divisors is an integer number (38431178967159).

Almost surely, 2^{204456421436422} is an apocalyptic number.

204456421436422 is a deficient number, since it is larger than the sum of its proper divisors (102993010300850).

204456421436422 is a wasteful number, since it uses less digits than its factorization.

204456421436422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254933194214.

The product of its (nonzero) digits is 8847360, while the sum is 49.

The spelling of 204456421436422 in words is "two hundred four trillion, four hundred fifty-six billion, four hundred twenty-one million, four hundred thirty-six thousand, four hundred twenty-two".