2001342444 has 24 divisors (see below), whose sum is σ = 4670615040. Its totient is φ = 666997584.

The previous prime is 2001342367. The next prime is 2001342449. The reversal of 2001342444 is 4442431002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2001342449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83217 + ... + 104535.

It is an arithmetic number, because the mean of its divisors is an integer number (194608960).

Almost surely, 2^2001342444 is an apocalyptic number.

It is an amenable number.

2001342444 is an abundant number, since it is smaller than the sum of its proper divisors (2669272596).

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

2001342444 is a wasteful number, since it uses less digits than its factorization.

2001342444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29149 (or 29147 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2001342444 is about 44736.3660124512. The cubic root of 2001342444 is about 1260.2028824225.

Adding to 2001342444 its reverse (4442431002), we get a palindrome (6443773446).

The spelling of 2001342444 in words is "two billion, one million, three hundred forty-two thousand, four hundred forty-four".