28480215530560 has 112 divisors (see below), whose sum is σ = 69722330512896. Its totient is φ = 11072911583232.

The previous prime is 28480215530549. The next prime is 28480215530581. The reversal of 28480215530560 is 6503551208482.

It is a super-2 number, since 2×28480215530560² (a number of 28 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, 10415209 + ... + 12862231.

Almost surely, 2^{28480215530560} is an apocalyptic number.

28480215530560 is a gapful number since it is divisible by the number (20) 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 28480215530560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34861165256448).

28480215530560 is an abundant number, since it is smaller than the sum of its proper divisors (41242114982336).

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

28480215530560 is a wasteful number, since it uses less digits than its factorization.

28480215530560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448060 (or 2448050 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 28480215530560 in words is "twenty-eight trillion, four hundred eighty billion, two hundred fifteen million, five hundred thirty thousand, five hundred sixty".