5285538720 has 576 divisors, whose sum is σ = 22830522624. Its totient is φ = 1081589760.

The previous prime is 5285538703. The next prime is 5285538757. The reversal of 5285538720 is 278355825.

5285538720 is a `hidden beast` number, since 5 + 28 + 553 + 8 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8093914 + ... + 8094566.

It is an arithmetic number, because the mean of its divisors is an integer number (39636324).

Almost surely, 2^5285538720 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 5285538720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11415261312).

5285538720 is an abundant number, since it is smaller than the sum of its proper divisors (17544983904).

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

5285538720 is a wasteful number, since it uses less digits than its factorization.

5285538720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 5285538720 is about 72701.7105713476. The cubic root of 5285538720 is about 1741.9262061526.

The spelling of 5285538720 in words is "five billion, two hundred eighty-five million, five hundred thirty-eight thousand, seven hundred twenty".