4530521280 has 112 divisors (see below), whose sum is σ = 14719060224. Its totient is φ = 1180032000.

The previous prime is 4530521231. The next prime is 4530521287. The reversal of 4530521280 is 821250354.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4530521287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13596 + ... + 96155.

Almost surely, 2^4530521280 is an apocalyptic number.

4530521280 is a gapful number since it is divisible by the number (40) 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 4530521280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7359530112).

4530521280 is an abundant number, since it is smaller than the sum of its proper divisors (10188538944).

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

4530521280 is a wasteful number, since it uses less digits than its factorization.

4530521280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109814 (or 109804 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 4530521280 is about 67309.1470752676. The cubic root of 4530521280 is about 1654.6877746667.

The spelling of 4530521280 in words is "four billion, five hundred thirty million, five hundred twenty-one thousand, two hundred eighty".