2003803648 has 240 divisors, whose sum is σ = 5214402864. Its totient is φ = 760381440.

The previous prime is 2003803609. The next prime is 2003803649. The reversal of 2003803648 is 8463083002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003803649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14626236 + ... + 14626372.

Almost surely, 2^2003803648 is an apocalyptic number.

2003803648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003803648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2607201432).

2003803648 is an abundant number, since it is smaller than the sum of its proper divisors (3210599216).

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

2003803648 is a wasteful number, since it uses less digits than its factorization.

2003803648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2003803648 is about 44763.8654273734. The cubic root of 2003803648 is about 1260.7192601203.

The spelling of 2003803648 in words is "two billion, three million, eight hundred three thousand, six hundred forty-eight".