201444000 has 96 divisors (see below), whose sum is σ = 659969856. Its totient is φ = 53715200.

The previous prime is 201443993. The next prime is 201444007. The reversal of 201444000 is 444102.

It is an interprime number because it is at equal distance from previous prime (201443993) and next prime (201444007).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (201444007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3607 + ... + 20393.

It is an arithmetic number, because the mean of its divisors is an integer number (6874686).

Almost surely, 2^201444000 is an apocalyptic number.

201444000 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 201444000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329984928).

201444000 is an abundant number, since it is smaller than the sum of its proper divisors (458525856).

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

201444000 is a wasteful number, since it uses less digits than its factorization.

201444000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16815 (or 16797 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 201444000 is about 14193.0969136408. The cubic root of 201444000 is about 586.2076011605.

Adding to 201444000 its reverse (444102), we get a palindrome (201888102).

The spelling of 201444000 in words is "two hundred one million, four hundred forty-four thousand".