2609490208 has 192 divisors, whose sum is σ = 6236600832. Its totient is φ = 1062420480.

The previous prime is 2609490197. The next prime is 2609490211. The reversal of 2609490208 is 8020949062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9921885 + ... + 9922147.

It is an arithmetic number, because the mean of its divisors is an integer number (32482296).

Almost surely, 2^2609490208 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 2609490208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3118300416).

2609490208 is an abundant number, since it is smaller than the sum of its proper divisors (3627110624).

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

2609490208 is a wasteful number, since it uses less digits than its factorization.

2609490208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2609490208 is about 51083.1695179538. The cubic root of 2609490208 is about 1376.7398727422.

The spelling of 2609490208 in words is "two billion, six hundred nine million, four hundred ninety thousand, two hundred eight".