28348801800 has 384 divisors, whose sum is σ = 105314688000. Its totient is φ = 6227020800.

The previous prime is 28348801799. The next prime is 28348801813. The reversal of 28348801800 is 810884382.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2879286 + ... + 2889114.

It is an arithmetic number, because the mean of its divisors is an integer number (274257000).

Almost surely, 2^28348801800 is an apocalyptic number.

28348801800 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 28348801800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52657344000).

28348801800 is an abundant number, since it is smaller than the sum of its proper divisors (76965886200).

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

28348801800 is a wasteful number, since it uses less digits than its factorization.

28348801800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901 (or 9892 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The spelling of 28348801800 in words is "twenty-eight billion, three hundred forty-eight million, eight hundred one thousand, eight hundred".