203422344444 has 144 divisors (see below), whose sum is σ = 568999791360. Its totient is φ = 60765120000.

The previous prime is 203422344413. The next prime is 203422344583. The reversal of 203422344444 is 444443224302.

203422344444 is a `hidden beast` number, since 2 + 0 + 342 + 234 + 44 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 203422344399 and 203422344408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7820292 + ... + 7846260.

It is an arithmetic number, because the mean of its divisors is an integer number (3951387440).

Almost surely, 2^203422344444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203422344444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284499895680).

203422344444 is an abundant number, since it is smaller than the sum of its proper divisors (365577446916).

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

203422344444 is a wasteful number, since it uses less digits than its factorization.

203422344444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26272 (or 26267 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 203422344444 its reverse (444443224302), we get a palindrome (647865568746).

The spelling of 203422344444 in words is "two hundred three billion, four hundred twenty-two million, three hundred forty-four thousand, four hundred forty-four".