28343304000 has 896 divisors, whose sum is σ = 115638681600. Its totient is φ = 6739200000.

The previous prime is 28343303993. The next prime is 28343304007. The reversal of 28343304000 is 40334382.

It is an interprime number because it is at equal distance from previous prime (28343303993) and next prime (28343304007).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28343304007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 187703925 + ... + 187704075.

Almost surely, 2^28343304000 is an apocalyptic number.

28343304000 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 28343304000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57819340800).

28343304000 is an abundant number, since it is smaller than the sum of its proper divisors (87295377600).

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

28343304000 is a wasteful number, since it uses less digits than its factorization.

28343304000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 28343304000 its reverse (40334382), we get a palindrome (28383638382).

The spelling of 28343304000 in words is "twenty-eight billion, three hundred forty-three million, three hundred four thousand".