28323000080 has 40 divisors (see below), whose sum is σ = 67457104344. Its totient is φ = 11052876800.

The previous prime is 28323000037. The next prime is 28323000089. The reversal of 28323000080 is 8000032382.

It can be written as a sum of positive squares in 4 ways, for example, as 1300900624 + 27022099456 = 36068^2 + 164384^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (28323000089) 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, 4314251 + ... + 4320810.

Almost surely, 2^28323000080 is an apocalyptic number.

28323000080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28323000080 is an abundant number, since it is smaller than the sum of its proper divisors (39134104264).

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

28323000080 is a wasteful number, since it uses less digits than its factorization.

28323000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635115 (or 8635109 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 28323000080 in words is "twenty-eight billion, three hundred twenty-three million, eighty", and thus it is an aban number.