2491449088 has 36 divisors (see below), whose sum is σ = 4988095840. Its totient is φ = 1241985024.

The previous prime is 2491449071. The next prime is 2491449139. The reversal of 2491449088 is 8809441942.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 71833 + ... + 100711.

Almost surely, 2^2491449088 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 2491449088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2494047920).

2491449088 is an abundant number, since it is smaller than the sum of its proper divisors (2496646752).

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

2491449088 is an equidigital number, since it uses as much as digits as its factorization.

2491449088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29232 (or 29218 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 2491449088 is about 49914.4176365907. The cubic root of 2491449088 is about 1355.6596576545.

The spelling of 2491449088 in words is "two billion, four hundred ninety-one million, four hundred forty-nine thousand, eighty-eight".