203442440404 has 48 divisors (see below), whose sum is σ = 414343641600. Its totient is φ = 85595330016.

The previous prime is 203442440387. The next prime is 203442440417. The reversal of 203442440404 is 404044244302.

203442440404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137507 + ... + 1304149.

It is an arithmetic number, because the mean of its divisors is an integer number (8632159200).

Almost surely, 2^203442440404 is an apocalyptic number.

It is an amenable number.

203442440404 is an abundant number, since it is smaller than the sum of its proper divisors (210901201196).

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

203442440404 is a wasteful number, since it uses less digits than its factorization.

203442440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167452 (or 167450 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 203442440404 its reverse (404044244302), we get a palindrome (607486684706).

The spelling of 203442440404 in words is "two hundred three billion, four hundred forty-two million, four hundred forty thousand, four hundred four".