10530444520 has 64 divisors (see below), whose sum is σ = 24142458240. Its totient is φ = 4132934400.

The previous prime is 10530444503. The next prime is 10530444557. The reversal of 10530444520 is 2544403501.

It is a super-2 number, since 2×10530444520² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590454 + ... + 608026.

It is an arithmetic number, because the mean of its divisors is an integer number (377225910).

Almost surely, 2^10530444520 is an apocalyptic number.

10530444520 is a gapful number since it is divisible by the number (10) 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 10530444520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12071229120).

10530444520 is an abundant number, since it is smaller than the sum of its proper divisors (13612013720).

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

10530444520 is a wasteful number, since it uses less digits than its factorization.

10530444520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17866 (or 17862 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 10530444520 in words is "ten billion, five hundred thirty million, four hundred forty-four thousand, five hundred twenty".