28943842200 has 384 divisors, whose sum is σ = 110737912320. Its totient is φ = 6089932800.

The previous prime is 28943842153. The next prime is 28943842219. The reversal of 28943842200 is 224834982.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 34998187 + ... + 34999013.

It is an arithmetic number, because the mean of its divisors is an integer number (288379980).

Almost surely, 2^28943842200 is an apocalyptic number.

28943842200 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 28943842200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55368956160).

28943842200 is an abundant number, since it is smaller than the sum of its proper divisors (81794070120).

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

28943842200 is a wasteful number, since it uses less digits than its factorization.

28943842200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 28943842200 in words is "twenty-eight billion, nine hundred forty-three million, eight hundred forty-two thousand, two hundred".