2003041355440 has 40 divisors (see below), whose sum is σ = 4657162266288. Its totient is φ = 801200866560.

The previous prime is 2003041355437. The next prime is 2003041355459. The reversal of 2003041355440 is 445531403002.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4421895 + ... + 4853785.

Almost surely, 2^{2003041355440} is an apocalyptic number.

2003041355440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003041355440 is an abundant number, since it is smaller than the sum of its proper divisors (2654120910848).

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

2003041355440 is a wasteful number, since it uses less digits than its factorization.

2003041355440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489877 (or 489871 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 2003041355440 its reverse (445531403002), we get a palindrome (2448572758442).

The spelling of 2003041355440 in words is "two trillion, three billion, forty-one million, three hundred fifty-five thousand, four hundred forty".