5685603840 has 400 divisors, whose sum is σ = 23279126112. Its totient is φ = 1299234816.

The previous prime is 5685603839. The next prime is 5685603877. The reversal of 5685603840 is 483065865.

5685603840 is a `hidden beast` number, since 5 + 6 + 8 + 560 + 3 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1449562 + ... + 1453478.

Almost surely, 2^5685603840 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 5685603840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11639563056).

5685603840 is an abundant number, since it is smaller than the sum of its proper divisors (17593522272).

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

5685603840 is an equidigital number, since it uses as much as digits as its factorization.

5685603840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 5685603840 is about 75402.9431786320. The cubic root of 5685603840 is about 1784.8108548964.

The spelling of 5685603840 in words is "five billion, six hundred eighty-five million, six hundred three thousand, eight hundred forty".