201044440320 has 144 divisors (see below), whose sum is σ = 646706719680. Its totient is φ = 53226012672.

The previous prime is 201044440319. The next prime is 201044440339. The reversal of 201044440320 is 23044440102.

It is a happy number.

201044440320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345432 + ... + 722088.

Almost surely, 2^201044440320 is an apocalyptic number.

201044440320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201044440320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323353359840).

201044440320 is an abundant number, since it is smaller than the sum of its proper divisors (445662279360).

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

201044440320 is a wasteful number, since it uses less digits than its factorization.

201044440320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376820 (or 376806 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 201044440320 its reverse (23044440102), we get a palindrome (224088880422).

The spelling of 201044440320 in words is "two hundred one billion, forty-four million, four hundred forty thousand, three hundred twenty".