28850656000 has 144 divisors (see below), whose sum is σ = 73230943968. Its totient is φ = 11321856000.

The previous prime is 28850655989. The next prime is 28850656019. The reversal of 28850656000 is 65605882.

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

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, 1687495 + ... + 1704505.

It is an arithmetic number, because the mean of its divisors is an integer number (508548222).

Almost surely, 2^28850656000 is an apocalyptic number.

28850656000 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 28850656000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36615471984).

28850656000 is an abundant number, since it is smaller than the sum of its proper divisors (44380287968).

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

28850656000 is an equidigital number, since it uses as much as digits as its factorization.

28850656000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17095 (or 17071 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 28850656000 in words is "twenty-eight billion, eight hundred fifty million, six hundred fifty-six thousand".