2004331240 has 64 divisors (see below), whose sum is σ = 4572968400. Its totient is φ = 790566912.

The previous prime is 2004331187. The next prime is 2004331243. The reversal of 2004331240 is 421334002.

It can be written as a sum of positive squares in 8 ways, for example, as 469415556 + 1534915684 = 21666^2 + 39178^2 .

It is not an unprimeable number, because it can be changed into a prime (2004331243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014894 + ... + 1016866.

Almost surely, 2^2004331240 is an apocalyptic number.

2004331240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004331240 is an abundant number, since it is smaller than the sum of its proper divisors (2568637160).

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

2004331240 is a wasteful number, since it uses less digits than its factorization.

2004331240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2004331240 is about 44769.7580962864. The cubic root of 2004331240 is about 1260.8298975454.

Adding to 2004331240 its reverse (421334002), we get a palindrome (2425665242).

The spelling of 2004331240 in words is "two billion, four million, three hundred thirty-one thousand, two hundred forty".