204445126216 has 8 divisors (see below), whose sum is σ = 383334611670. Its totient is φ = 102222563104.

The previous prime is 204445126211. The next prime is 204445126247. The reversal of 204445126216 is 612621544402.

It can be written as a sum of positive squares in only one way, i.e., 204439622500 + 5503716 = 452150^2 + 2346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (204445126211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777820381 + ... + 12777820396.

Almost surely, 2^204445126216 is an apocalyptic number.

It is an amenable number.

204445126216 is a deficient number, since it is larger than the sum of its proper divisors (178889485454).

204445126216 is a wasteful number, since it uses less digits than its factorization.

204445126216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555640783 (or 25555640779 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 204445126216 in words is "two hundred four billion, four hundred forty-five million, one hundred twenty-six thousand, two hundred sixteen".