2003044123440 has 120 divisors (see below), whose sum is σ = 6734308680528. Its totient is φ = 533556011520.

The previous prime is 2003044123439. The next prime is 2003044123447. The reversal of 2003044123440 is 443214403002.

It is a happy number.

2003044123440 is a `hidden beast` number, since 2 + 0 + 0 + 304 + 4 + 12 + 344 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (2003044123447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 880591 + ... + 2186670.

Almost surely, 2^{2003044123440} is an apocalyptic number.

2003044123440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003044123440 is an abundant number, since it is smaller than the sum of its proper divisors (4731264557088).

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

2003044123440 is a wasteful number, since it uses less digits than its factorization.

2003044123440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068187 (or 3068178 counting only the distinct ones).

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

Adding to 2003044123440 its reverse (443214403002), we get a palindrome (2446258526442).

The spelling of 2003044123440 in words is "two trillion, three billion, forty-four million, one hundred twenty-three thousand, four hundred forty".