5636610720 has 384 divisors, whose sum is σ = 21408468480. Its totient is φ = 1376870400.

The previous prime is 5636610719. The next prime is 5636610767. The reversal of 5636610720 is 270166365.

5636610720 is a `hidden beast` number, since 5 + 6 + 36 + 610 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9378420 + ... + 9379020.

It is an arithmetic number, because the mean of its divisors is an integer number (55751220).

Almost surely, 2^5636610720 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 5636610720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10704234240).

5636610720 is an abundant number, since it is smaller than the sum of its proper divisors (15771857760).

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

5636610720 is a wasteful number, since it uses less digits than its factorization.

5636610720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 5636610720 is about 75077.3648978172. The cubic root of 5636610720 is about 1779.6694584648.

The spelling of 5636610720 in words is "five billion, six hundred thirty-six million, six hundred ten thousand, seven hundred twenty".