201442044 has 48 divisors (see below), whose sum is σ = 502564608. Its totient is φ = 62577408.

The previous prime is 201442037. The next prime is 201442051. The reversal of 201442044 is 440244102.

It is an interprime number because it is at equal distance from previous prime (201442037) and next prime (201442051).

It is a self number, because there is not a number n which added to its sum of digits gives 201442044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16219 + ... + 25805.

It is an arithmetic number, because the mean of its divisors is an integer number (10470096).

Almost surely, 2^201442044 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 201442044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251282304).

201442044 is an abundant number, since it is smaller than the sum of its proper divisors (301122564).

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

201442044 is a wasteful number, since it uses less digits than its factorization.

201442044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714 (or 9712 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 201442044 is about 14193.0280067363. The cubic root of 201442044 is about 586.2057038164.

Adding to 201442044 its reverse (440244102), we get a palindrome (641686146).

The spelling of 201442044 in words is "two hundred one million, four hundred forty-two thousand, forty-four".