2001443132344 has 8 divisors (see below), whose sum is σ = 3752705873160. Its totient is φ = 1000721566168.

The previous prime is 2001443132341. The next prime is 2001443132363. The reversal of 2001443132344 is 4432313441002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2001443132344² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001443132341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125090195764 + ... + 125090195779.

It is an arithmetic number, because the mean of its divisors is an integer number (469088234145).

Almost surely, 2^{2001443132344} is an apocalyptic number.

It is an amenable number.

2001443132344 is a deficient number, since it is larger than the sum of its proper divisors (1751262740816).

2001443132344 is a wasteful number, since it uses less digits than its factorization.

2001443132344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250180391549 (or 250180391545 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2001443132344 its reverse (4432313441002), we get a palindrome (6433756573346).

The spelling of 2001443132344 in words is "two trillion, one billion, four hundred forty-three million, one hundred thirty-two thousand, three hundred forty-four".