28326506336 has 48 divisors (see below), whose sum is σ = 58238611200. Its totient is φ = 13536724608.

The previous prime is 28326506303. The next prime is 28326506353. The reversal of 28326506336 is 63360562382.

It is a super-2 number, since 2×28326506336² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956195 + ... + 985373.

It is an arithmetic number, because the mean of its divisors is an integer number (1213304400).

Almost surely, 2^28326506336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28326506336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29119305600).

28326506336 is an abundant number, since it is smaller than the sum of its proper divisors (29912104864).

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

28326506336 is a wasteful number, since it uses less digits than its factorization.

28326506336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30531 (or 30523 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 28326506336 in words is "twenty-eight billion, three hundred twenty-six million, five hundred six thousand, three hundred thirty-six".