28336008080 has 40 divisors (see below), whose sum is σ = 66126180600. Its totient is φ = 11292259328.

The previous prime is 28336008061. The next prime is 28336008089. The reversal of 28336008080 is 8080063382.

It can be written as a sum of positive squares in 4 ways, for example, as 1726568704 + 26609439376 = 41552^2 + 163124^2 .

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 (28336008089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636845 + ... + 679884.

It is an arithmetic number, because the mean of its divisors is an integer number (1653154515).

Almost surely, 2^28336008080 is an apocalyptic number.

28336008080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28336008080 is an abundant number, since it is smaller than the sum of its proper divisors (37790172520).

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

28336008080 is a wasteful number, since it uses less digits than its factorization.

28336008080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317011 (or 1317005 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 28336008080 in words is "twenty-eight billion, three hundred thirty-six million, eight thousand, eighty".