28326506352 has 40 divisors (see below), whose sum is σ = 74557509264. Its totient is φ = 9264013824.

The previous prime is 28326506303. The next prime is 28326506353. The reversal of 28326506352 is 25360562382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28326506353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5564773 + ... + 5569860.

Almost surely, 2^28326506352 is an apocalyptic number.

It is an amenable number.

28326506352 is an abundant number, since it is smaller than the sum of its proper divisors (46231002912).

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

28326506352 is a wasteful number, since it uses less digits than its factorization.

28326506352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134697 (or 11134691 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 28326506352 in words is "twenty-eight billion, three hundred twenty-six million, five hundred six thousand, three hundred fifty-two".