5681631140 has 12 divisors (see below), whose sum is σ = 11931425436. Its totient is φ = 2272652448.

The previous prime is 5681631127. The next prime is 5681631157. The reversal of 5681631140 is 411361865.

It can be written as a sum of positive squares in 2 ways, for example, as 2649366784 + 3032264356 = 51472^2 + 55066^2 .

It is a super-2 number, since 2×5681631140² = 64561864822035399200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5681631140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142040759 + ... + 142040798.

It is an arithmetic number, because the mean of its divisors is an integer number (994285453).

Almost surely, 2^5681631140 is an apocalyptic number.

It is an amenable number.

5681631140 is an abundant number, since it is smaller than the sum of its proper divisors (6249794296).

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

5681631140 is a wasteful number, since it uses less digits than its factorization.

5681631140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284081566 (or 284081564 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 5681631140 is about 75376.5954391680. The cubic root of 5681631140 is about 1784.3950579482.

The spelling of 5681631140 in words is "five billion, six hundred eighty-one million, six hundred thirty-one thousand, one hundred forty".