28567516000 has 96 divisors (see below), whose sum is σ = 70283959200. Its totient is φ = 11411776000.

The previous prime is 28567515997. The next prime is 28567516013. The reversal of 28567516000 is 61576582.

It is a super-2 number, since 2×28567516000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 3279651 + ... + 3288349.

It is an arithmetic number, because the mean of its divisors is an integer number (732124575).

Almost surely, 2^28567516000 is an apocalyptic number.

28567516000 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 28567516000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35141979600).

28567516000 is an abundant number, since it is smaller than the sum of its proper divisors (41716443200).

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

28567516000 is an equidigital number, since it uses as much as digits as its factorization.

28567516000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545 (or 9527 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 28567516000 in words is "twenty-eight billion, five hundred sixty-seven million, five hundred sixteen thousand".