28216244275800 has 384 divisors, whose sum is σ = 105239339251200. Its totient is φ = 6109296168960.

The previous prime is 28216244275787. The next prime is 28216244275841. The reversal of 28216244275800 is 857244261282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1069067404 + ... + 1069093796.

It is an arithmetic number, because the mean of its divisors is an integer number (274060779300).

Almost surely, 2^{28216244275800} is an apocalyptic number.

28216244275800 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 28216244275800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52619669625600).

28216244275800 is an abundant number, since it is smaller than the sum of its proper divisors (77023094975400).

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

28216244275800 is a wasteful number, since it uses less digits than its factorization.

28216244275800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39835 (or 39826 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 28216244275800 in words is "twenty-eight trillion, two hundred sixteen billion, two hundred forty-four million, two hundred seventy-five thousand, eight hundred".