2491112448 has 176 divisors, whose sum is σ = 8049131520. Its totient is φ = 754790400.

The previous prime is 2491112443. The next prime is 2491112467. The reversal of 2491112448 is 8442111942.

2491112448 is a `hidden beast` number, since 2 + 491 + 1 + 124 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (176).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491112443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 300033 + ... + 308223.

Almost surely, 2^2491112448 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 2491112448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4024565760).

2491112448 is an abundant number, since it is smaller than the sum of its proper divisors (5558019072).

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

2491112448 is a wasteful number, since it uses less digits than its factorization.

2491112448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231 (or 8207 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 2491112448 is about 49911.0453507037. The cubic root of 2491112448 is about 1355.5985968278.

The spelling of 2491112448 in words is "two billion, four hundred ninety-one million, one hundred twelve thousand, four hundred forty-eight".