203244143202444 has 12 divisors (see below), whose sum is σ = 474236334139064. Its totient is φ = 67748047734144.

The previous prime is 203244143202433. The next prime is 203244143202467. The reversal of 203244143202444 is 444202341442302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×203244143202444² (a number of 29 digits) contains 22 as substring.

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, 8468505966757 + ... + 8468505966780.

Almost surely, 2^{203244143202444} is an apocalyptic number.

It is an amenable number.

203244143202444 is an abundant number, since it is smaller than the sum of its proper divisors (270992190936620).

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

203244143202444 is a wasteful number, since it uses less digits than its factorization.

203244143202444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937011933544 (or 16937011933542 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 203244143202444 its reverse (444202341442302), we get a palindrome (647446484644746).

The spelling of 203244143202444 in words is "two hundred three trillion, two hundred forty-four billion, one hundred forty-three million, two hundred two thousand, four hundred forty-four".