201044444140 has 12 divisors (see below), whose sum is σ = 422193332736. Its totient is φ = 80417777648.

The previous prime is 201044444137. The next prime is 201044444191. The reversal of 201044444140 is 41444440102.

It is a junction number, because it is equal to n+sod(n) for n = 201044444099 and 201044444108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5026111084 + ... + 5026111123.

It is an arithmetic number, because the mean of its divisors is an integer number (35182777728).

Almost surely, 2^201044444140 is an apocalyptic number.

201044444140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201044444140 is an abundant number, since it is smaller than the sum of its proper divisors (221148888596).

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

201044444140 is a wasteful number, since it uses less digits than its factorization.

201044444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052222216 (or 10052222214 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 201044444140 its reverse (41444440102), we get a palindrome (242488884242).

The spelling of 201044444140 in words is "two hundred one billion, forty-four million, four hundred forty-four thousand, one hundred forty".