28828240000 has 160 divisors (see below), whose sum is σ = 82019995200. Its totient is φ = 9883776000.

The previous prime is 28828239971. The next prime is 28828240003. The reversal of 28828240000 is 4282882.

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (28828240003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 534261 + ... + 585739.

It is an arithmetic number, because the mean of its divisors is an integer number (512624970).

Almost surely, 2^28828240000 is an apocalyptic number.

28828240000 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 28828240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41009997600).

28828240000 is an abundant number, since it is smaller than the sum of its proper divisors (53191755200).

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

28828240000 is an frugal number, since it uses more digits than its factorization.

28828240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51520 (or 51493 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The spelling of 28828240000 in words is "twenty-eight billion, eight hundred twenty-eight million, two hundred forty thousand".