5522720640 has 384 divisors, whose sum is σ = 19276898400. Its totient is φ = 1343619072.

The previous prime is 5522720639. The next prime is 5522720683. The reversal of 5522720640 is 460272255.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20530426 + ... + 20530694.

Almost surely, 2^5522720640 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 5522720640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9638449200).

5522720640 is an abundant number, since it is smaller than the sum of its proper divisors (13754177760).

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

5522720640 is a wasteful number, since it uses less digits than its factorization.

5522720640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 5522720640 is about 74315.0095202847. The cubic root of 5522720640 is about 1767.6014880904.

Adding to 5522720640 its reverse (460272255), we get a palindrome (5982992895).

The spelling of 5522720640 in words is "five billion, five hundred twenty-two million, seven hundred twenty thousand, six hundred forty".