2494663808 has 128 divisors (see below), whose sum is σ = 6218768640. Its totient is φ = 970444800.

The previous prime is 2494663777. The next prime is 2494663841. The reversal of 2494663808 is 8083664942.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 708773 + ... + 712283.

It is an arithmetic number, because the mean of its divisors is an integer number (48584130).

Almost surely, 2^2494663808 is an apocalyptic number.

2494663808 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 2494663808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3109384320).

2494663808 is an abundant number, since it is smaller than the sum of its proper divisors (3724104832).

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

2494663808 is a wasteful number, since it uses less digits than its factorization.

2494663808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3594 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 2494663808 is about 49946.6095746248. The cubic root of 2494663808 is about 1356.2424768623.

The spelling of 2494663808 in words is "two billion, four hundred ninety-four million, six hundred sixty-three thousand, eight hundred eight".