2489403808 has 48 divisors (see below), whose sum is σ = 5064746400. Its totient is φ = 1203538176.

The previous prime is 2489403793. The next prime is 2489403809. The reversal of 2489403808 is 8083049842.

It is not an unprimeable number, because it can be changed into a prime (2489403809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186543 + ... + 199441.

It is an arithmetic number, because the mean of its divisors is an integer number (105515550).

Almost surely, 2^2489403808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489403808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532373200).

2489403808 is an abundant number, since it is smaller than the sum of its proper divisors (2575342592).

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

2489403808 is a wasteful number, since it uses less digits than its factorization.

2489403808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109 (or 13101 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 2489403808 is about 49893.9255621363. The cubic root of 2489403808 is about 1355.2885934592.

The spelling of 2489403808 in words is "two billion, four hundred eighty-nine million, four hundred three thousand, eight hundred eight".