204438897056 has 12 divisors (see below), whose sum is σ = 402489078642. Its totient is φ = 102219448512.

The previous prime is 204438897037. The next prime is 204438897073. The reversal of 204438897056 is 650798834402.

It can be written as a sum of positive squares in only one way, i.e., 204430579600 + 8317456 = 452140^2 + 2884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204438896992 and 204438897010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194357735 + ... + 3194357798.

Almost surely, 2^204438897056 is an apocalyptic number.

It is an amenable number.

204438897056 is a deficient number, since it is larger than the sum of its proper divisors (198050181586).

204438897056 is an equidigital number, since it uses as much as digits as its factorization.

204438897056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388715543 (or 6388715535 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 204438897056 in words is "two hundred four billion, four hundred thirty-eight million, eight hundred ninety-seven thousand, fifty-six".