2003201340444 has 36 divisors (see below), whose sum is σ = 5067481146000. Its totient is φ = 667228288320.

The previous prime is 2003201340391. The next prime is 2003201340463. The reversal of 2003201340444 is 4440431023002.

It is a happy number.

2003201340444 is a `hidden beast` number, since 200 + 3 + 2 + 0 + 13 + 4 + 0 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2003201340444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21013944 + ... + 21109055.

Almost surely, 2^{2003201340444} is an apocalyptic number.

It is an amenable number.

2003201340444 is an abundant number, since it is smaller than the sum of its proper divisors (3064279805556).

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

2003201340444 is a wasteful number, since it uses less digits than its factorization.

2003201340444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42124330 (or 42124325 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2003201340444 its reverse (4440431023002), we get a palindrome (6443632363446).

The spelling of 2003201340444 in words is "two trillion, three billion, two hundred one million, three hundred forty thousand, four hundred forty-four".