204440000002 has 24 divisors (see below), whose sum is σ = 360404552844. Its totient is φ = 86713869312.

The previous prime is 204439999999. The next prime is 204440000003. The reversal of 204440000002 is 200000044402.

It can be written as a sum of positive squares in 2 ways, for example, as 192000836041 + 12439163961 = 438179^2 + 111531^2 .

It is not an unprimeable number, because it can be changed into a prime (204440000003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10743703 + ... + 10762714.

Almost surely, 2^204440000002 is an apocalyptic number.

204440000002 is a deficient number, since it is larger than the sum of its proper divisors (155964552842).

204440000002 is a wasteful number, since it uses less digits than its factorization.

204440000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506530 (or 21506523 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 204440000002 its reverse (200000044402), we get a palindrome (404440044404).

The spelling of 204440000002 in words is "two hundred four billion, four hundred forty million, two", and thus it is an aban number.