28004313339600 has 960 divisors, whose sum is σ = 102395746252800. Its totient is φ = 6485584896000.

The previous prime is 28004313339557. The next prime is 28004313339617. The reversal of 28004313339600 is 693331340082.

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 191 ways as a sum of consecutive naturals, for example, 42495164071 + ... + 42495164729.

It is an arithmetic number, because the mean of its divisors is an integer number (106662235680).

Almost surely, 2^{28004313339600} is an apocalyptic number.

28004313339600 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 28004313339600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51197873126400).

28004313339600 is an abundant number, since it is smaller than the sum of its proper divisors (74391432913200).

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

28004313339600 is a wasteful number, since it uses less digits than its factorization.

28004313339600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

Adding to 28004313339600 its reverse (693331340082), we get a palindrome (28697644679682).

The spelling of 28004313339600 in words is "twenty-eight trillion, four billion, three hundred thirteen million, three hundred thirty-nine thousand, six hundred".