28281035355328 has 56 divisors (see below), whose sum is σ = 64150762337792. Its totient is φ = 12117908738304.

The previous prime is 28281035355283. The next prime is 28281035355379. The reversal of 28281035355328 is 82355353018282.

It is a tau number, because it is divible by the number of its divisors (56).

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 7 ways as a sum of consecutive naturals, for example, 4456350 + ... + 8741917.

Almost surely, 2^{28281035355328} is an apocalyptic number.

28281035355328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28281035355328 is an abundant number, since it is smaller than the sum of its proper divisors (35869726982464).

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

28281035355328 is a wasteful number, since it uses less digits than its factorization.

28281035355328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13203069 (or 13203059 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 55.

The spelling of 28281035355328 in words is "twenty-eight trillion, two hundred eighty-one billion, thirty-five million, three hundred fifty-five thousand, three hundred twenty-eight".