2001144430 has 8 divisors (see below), whose sum is σ = 3602059992. Its totient is φ = 800457768.

The previous prime is 2001144421. The next prime is 2001144433. The reversal of 2001144430 is 344411002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2001144398 and 2001144407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001144433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100057212 + ... + 100057231.

It is an arithmetic number, because the mean of its divisors is an integer number (450257499).

Almost surely, 2^2001144430 is an apocalyptic number.

2001144430 is a deficient number, since it is larger than the sum of its proper divisors (1600915562).

2001144430 is a wasteful number, since it uses less digits than its factorization.

2001144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200114450.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2001144430 is about 44734.1528365074. The cubic root of 2001144430 is about 1260.1613193133.

Adding to 2001144430 its reverse (344411002), we get a palindrome (2345555432).

The spelling of 2001144430 in words is "two billion, one million, one hundred forty-four thousand, four hundred thirty".