5681840208 has 80 divisors (see below), whose sum is σ = 16529037312. Its totient is φ = 1666224000.

The previous prime is 5681840207. The next prime is 5681840221. The reversal of 5681840208 is 8020481865.

It is a self number, because there is not a number n which added to its sum of digits gives 5681840208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681840207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157198 + ... + 189933.

Almost surely, 2^5681840208 is an apocalyptic number.

It is an amenable number.

5681840208 is an abundant number, since it is smaller than the sum of its proper divisors (10847197104).

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

5681840208 is a wasteful number, since it uses less digits than its factorization.

5681840208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347184 (or 347178 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 5681840208 is about 75377.9822494606. The cubic root of 5681840208 is about 1784.4169445814.

The spelling of 5681840208 in words is "five billion, six hundred eighty-one million, eight hundred forty thousand, two hundred eight".