28315838200 has 192 divisors, whose sum is σ = 75792024000. Its totient is φ = 9755750400.

The previous prime is 28315838189. The next prime is 28315838227. The reversal of 28315838200 is 283851382.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2446026 + ... + 2457574.

It is an arithmetic number, because the mean of its divisors is an integer number (394750125).

Almost surely, 2^28315838200 is an apocalyptic number.

28315838200 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 28315838200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37896012000).

28315838200 is an abundant number, since it is smaller than the sum of its proper divisors (47476185800).

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

28315838200 is a wasteful number, since it uses less digits than its factorization.

28315838200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11642 (or 11633 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 28315838200 in words is "twenty-eight billion, three hundred fifteen million, eight hundred thirty-eight thousand, two hundred".