204440144412 has 48 divisors (see below), whose sum is σ = 545202282240. Its totient is φ = 58408409472.

The previous prime is 204440144411. The next prime is 204440144431. The reversal of 204440144412 is 214441044402.

It is a self number, because there is not a number n which added to its sum of digits gives 204440144412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204440144411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910923 + ... + 2015069.

It is an arithmetic number, because the mean of its divisors is an integer number (11358380880).

Almost surely, 2^204440144412 is an apocalyptic number.

It is an amenable number.

204440144412 is an abundant number, since it is smaller than the sum of its proper divisors (340762137828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204440144412 is a wasteful number, since it uses less digits than its factorization.

204440144412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127530 (or 127528 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 204440144412 its reverse (214441044402), we get a palindrome (418881188814).

The spelling of 204440144412 in words is "two hundred four billion, four hundred forty million, one hundred forty-four thousand, four hundred twelve".