203442440412 has 24 divisors (see below), whose sum is σ = 474770055312. Its totient is φ = 67804000000.

The previous prime is 203442440387. The next prime is 203442440417. The reversal of 203442440412 is 214044244302.

203442440412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 203442440412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203442440417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184589 + ... + 1345412.

It is an arithmetic number, because the mean of its divisors is an integer number (19782085638).

Almost surely, 2^203442440412 is an apocalyptic number.

It is an amenable number.

203442440412 is an abundant number, since it is smaller than the sum of its proper divisors (271327614900).

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

203442440412 is a wasteful number, since it uses less digits than its factorization.

203442440412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536709 (or 2536707 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 203442440412 its reverse (214044244302), we get a palindrome (417486684714).

The spelling of 203442440412 in words is "two hundred three billion, four hundred forty-two million, four hundred forty thousand, four hundred twelve".