228003944000 has 224 divisors, whose sum is σ = 646875430656. Its totient is φ = 77983948800.

The previous prime is 228003943987. The next prime is 228003944033. The reversal of 228003944000 is 449300822.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24243299 + ... + 24252701.

It is an arithmetic number, because the mean of its divisors is an integer number (2887836744).

Almost surely, 2^228003944000 is an apocalyptic number.

228003944000 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 228003944000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323437715328).

228003944000 is an abundant number, since it is smaller than the sum of its proper divisors (418871486656).

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

228003944000 is an equidigital number, since it uses as much as digits as its factorization.

228003944000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9870 (or 9850 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 228003944000 in words is "two hundred twenty-eight billion, three million, nine hundred forty-four thousand".