5648966840 has 128 divisors (see below), whose sum is σ = 14616158400. Its totient is φ = 1945681920.

The previous prime is 5648966789. The next prime is 5648966861. The reversal of 5648966840 is 486698465.

It is a congruent number.

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, 672104 + ... + 680456.

Almost surely, 2^5648966840 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 5648966840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7308079200).

5648966840 is an abundant number, since it is smaller than the sum of its proper divisors (8967191560).

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

5648966840 is a wasteful number, since it uses less digits than its factorization.

5648966840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457 (or 8453 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The square root of 5648966840 is about 75159.6090995689. The cubic root of 5648966840 is about 1780.9689249900.

The spelling of 5648966840 in words is "five billion, six hundred forty-eight million, nine hundred sixty-six thousand, eight hundred forty".