2003044401240 has 32 divisors (see below), whose sum is σ = 6009133204080. Its totient is φ = 534145173632.

The previous prime is 2003044401227. The next prime is 2003044401251. The reversal of 2003044401240 is 421044403002.

It is a happy number.

It is a super-2 number, since 2×2003044401240² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2003044401240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8346018219 + ... + 8346018458.

Almost surely, 2^{2003044401240} is an apocalyptic number.

2003044401240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003044401240 is an abundant number, since it is smaller than the sum of its proper divisors (4006088802840).

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

2003044401240 is a wasteful number, since it uses less digits than its factorization.

2003044401240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16692036691 (or 16692036687 counting only the distinct ones).

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

Adding to 2003044401240 its reverse (421044403002), we get a palindrome (2424088804242).

The spelling of 2003044401240 in words is "two trillion, three billion, forty-four million, four hundred one thousand, two hundred forty".