5680391840 has 24 divisors (see below), whose sum is σ = 13419926100. Its totient is φ = 2272156672.

The previous prime is 5680391837. The next prime is 5680391861. The reversal of 5680391840 is 481930865.

It can be written as a sum of positive squares in 2 ways, for example, as 5679732496 + 659344 = 75364^2 + 812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5680391791 and 5680391800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17751065 + ... + 17751384.

Almost surely, 2^5680391840 is an apocalyptic number.

It is an amenable number.

5680391840 is an abundant number, since it is smaller than the sum of its proper divisors (7739534260).

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

5680391840 is a wasteful number, since it uses less digits than its factorization.

5680391840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35502464 (or 35502456 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 5680391840 is about 75368.3742693180. The cubic root of 5680391840 is about 1784.2653087297.

The spelling of 5680391840 in words is "five billion, six hundred eighty million, three hundred ninety-one thousand, eight hundred forty".