28494240000 has 720 divisors, whose sum is σ = 103444387200. Its totient is φ = 6938624000.

The previous prime is 28494239993. The next prime is 28494240011. The reversal of 28494240000 is 4249482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 320159956 + ... + 320160044.

It is an arithmetic number, because the mean of its divisors is an integer number (143672760).

Almost surely, 2^28494240000 is an apocalyptic number.

28494240000 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 28494240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51722193600).

28494240000 is an abundant number, since it is smaller than the sum of its proper divisors (74950147200).

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

28494240000 is an equidigital number, since it uses as much as digits as its factorization.

28494240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 28494240000 its reverse (4249482), we get a palindrome (28498489482).

The spelling of 28494240000 in words is "twenty-eight billion, four hundred ninety-four million, two hundred forty thousand".