201340044 has 72 divisors (see below), whose sum is σ = 541326240. Its totient is φ = 62879232.

The previous prime is 201340039. The next prime is 201340063. The reversal of 201340044 is 440043102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201339999 and 201340026.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164017 + ... + 165239.

It is an arithmetic number, because the mean of its divisors is an integer number (7518420).

Almost surely, 2^201340044 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 201340044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270663120).

201340044 is an abundant number, since it is smaller than the sum of its proper divisors (339986196).

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

201340044 is a wasteful number, since it uses less digits than its factorization.

201340044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 201340044 is about 14189.4342381929. The cubic root of 201340044 is about 586.1067455329.

Adding to 201340044 its reverse (440043102), we get a palindrome (641383146).

The spelling of 201340044 in words is "two hundred one million, three hundred forty thousand, forty-four".