2003240640 has 112 divisors (see below), whose sum is σ = 6387632640. Its totient is φ = 531901440.

The previous prime is 2003240639. The next prime is 2003240693. The reversal of 2003240640 is 460423002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225075 + ... + 233805.

Almost surely, 2^2003240640 is an apocalyptic number.

2003240640 is a gapful number since it is divisible by the number (20) 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 2003240640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3193816320).

2003240640 is an abundant number, since it is smaller than the sum of its proper divisors (4384392000).

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

2003240640 is a wasteful number, since it uses less digits than its factorization.

2003240640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990 (or 8980 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2003240640 is about 44757.5763418888. The cubic root of 2003240640 is about 1260.6011744458.

Adding to 2003240640 its reverse (460423002), we get a palindrome (2463663642).

The spelling of 2003240640 in words is "two billion, three million, two hundred forty thousand, six hundred forty".