5681040237 has 24 divisors (see below), whose sum is σ = 8521284408. Its totient is φ = 3644352000.

The previous prime is 5681040151. The next prime is 5681040301. The reversal of 5681040237 is 7320401865.

It can be written as a sum of positive squares in 4 ways, for example, as 124679556 + 5556360681 = 11166^2 + 74541^2 .

It is not a de Polignac number, because 5681040237 - 2⁸ = 5681039981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681040137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78514 + ... + 132387.

It is an arithmetic number, because the mean of its divisors is an integer number (355053517).

Almost surely, 2^5681040237 is an apocalyptic number.

It is an amenable number.

5681040237 is a deficient number, since it is larger than the sum of its proper divisors (2840244171).

5681040237 is a wasteful number, since it uses less digits than its factorization.

5681040237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211021 (or 211018 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 5681040237 is about 75372.6756656549. The cubic root of 5681040237 is about 1784.3331953761. Note that the first 3 decimals are identical.

The spelling of 5681040237 in words is "five billion, six hundred eighty-one million, forty thousand, two hundred thirty-seven".