8530038720 has 336 divisors, whose sum is σ = 34775290368. Its totient is φ = 1949598720.

The previous prime is 8530038703. The next prime is 8530038721. The reversal of 8530038720 is 278300358.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8530038721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 536485 + ... + 552155.

It is an arithmetic number, because the mean of its divisors is an integer number (103497888).

Almost surely, 2^8530038720 is an apocalyptic number.

8530038720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8530038720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17387645184).

8530038720 is an abundant number, since it is smaller than the sum of its proper divisors (26245251648).

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

8530038720 is a wasteful number, since it uses less digits than its factorization.

8530038720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15710 (or 15688 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 8530038720 is about 92358.2087310056. The cubic root of 8530038720 is about 2043.2287969807.

The spelling of 8530038720 in words is "eight billion, five hundred thirty million, thirty-eight thousand, seven hundred twenty".