201044403432 has 96 divisors (see below), whose sum is σ = 564803584800. Its totient is φ = 66997969344.

The previous prime is 201044403419. The next prime is 201044403433. The reversal of 201044403432 is 234304440102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 201044403396 and 201044403405.

It is not an unprimeable number, because it can be changed into a prime (201044403433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9532563 + ... + 9553629.

It is an arithmetic number, because the mean of its divisors is an integer number (5883370675).

Almost surely, 2^201044403432 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 201044403432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282401792400).

201044403432 is an abundant number, since it is smaller than the sum of its proper divisors (363759181368).

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

201044403432 is a wasteful number, since it uses less digits than its factorization.

201044403432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25997 (or 25981 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 201044403432 its reverse (234304440102), we get a palindrome (435348843534).

The spelling of 201044403432 in words is "two hundred one billion, forty-four million, four hundred three thousand, four hundred thirty-two".