2491754192 has 40 divisors (see below), whose sum is σ = 5133829896. Its totient is φ = 1167527936.

The previous prime is 2491754173. The next prime is 2491754201. The reversal of 2491754192 is 2914571942.

It can be written as a sum of positive squares in 4 ways, for example, as 716311696 + 1775442496 = 26764^2 + 42136^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43718 + ... + 83034.

Almost surely, 2^2491754192 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 2491754192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2566914948).

2491754192 is an abundant number, since it is smaller than the sum of its proper divisors (2642075704).

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

2491754192 is a wasteful number, since it uses less digits than its factorization.

2491754192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39575 (or 39569 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 2491754192 is about 49917.4738142867. The cubic root of 2491754192 is about 1355.7149936306.

The spelling of 2491754192 in words is "two billion, four hundred ninety-one million, seven hundred fifty-four thousand, one hundred ninety-two".