5649720000 has 420 divisors, whose sum is σ = 19746147960. Its totient is φ = 1424896000.

The previous prime is 5649719987. The next prime is 5649720029. The reversal of 5649720000 is 279465.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 63479956 + ... + 63480044.

It is an arithmetic number, because the mean of its divisors is an integer number (47014638).

Almost surely, 2^5649720000 is an apocalyptic number.

5649720000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5649720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9873073980).

5649720000 is an abundant number, since it is smaller than the sum of its proper divisors (14096427960).

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

5649720000 is an equidigital number, since it uses as much as digits as its factorization.

5649720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 5649720000 is about 75164.6193364937. The cubic root of 5649720000 is about 1781.0480719081.

Adding to 5649720000 its reverse (279465), we get a palindrome (5649999465).

The spelling of 5649720000 in words is "five billion, six hundred forty-nine million, seven hundred twenty thousand".