201201444 has 18 divisors (see below), whose sum is σ = 508592630. Its totient is φ = 67067136.

The previous prime is 201201437. The next prime is 201201457. The reversal of 201201444 is 444102102.

201201444 is a `hidden beast` number, since 20 + 1 + 201 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103428900 + 97772544 = 10170^2 + 9888^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2794429 + ... + 2794500.

Almost surely, 2^201201444 is an apocalyptic number.

It is an amenable number.

201201444 is an abundant number, since it is smaller than the sum of its proper divisors (307391186).

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

201201444 is a wasteful number, since it uses less digits than its factorization.

201201444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588939 (or 5588934 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 201201444 is about 14184.5494817424. The cubic root of 201201444 is about 585.9722251121.

Adding to 201201444 its reverse (444102102), we get a palindrome (645303546).

The spelling of 201201444 in words is "two hundred one million, two hundred one thousand, four hundred forty-four".