5649235648 has 224 divisors, whose sum is σ = 14149222400. Its totient is φ = 2183500800.

The previous prime is 5649235621. The next prime is 5649235673. The reversal of 5649235648 is 8465329465.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 5649235595 and 5649235604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20845753 + ... + 20846023.

Almost surely, 2^5649235648 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 5649235648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7074611200).

5649235648 is an abundant number, since it is smaller than the sum of its proper divisors (8499986752).

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

5649235648 is a wasteful number, since it uses less digits than its factorization.

5649235648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 409 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The square root of 5649235648 is about 75161.3973260210. The cubic root of 5649235648 is about 1780.9971738784.

The spelling of 5649235648 in words is "five billion, six hundred forty-nine million, two hundred thirty-five thousand, six hundred forty-eight".