28080006452 has 12 divisors (see below), whose sum is σ = 49141902180. Its totient is φ = 14039462976.

The previous prime is 28080006443. The next prime is 28080006457. The reversal of 28080006452 is 25460008082.

It can be written as a sum of positive squares in 2 ways, for example, as 4828026256 + 23251980196 = 69484^2 + 152486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28080006457) 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 3 ways as a sum of consecutive naturals, for example, 3983 + ... + 237014.

It is an arithmetic number, because the mean of its divisors is an integer number (4095158515).

Almost surely, 2^28080006452 is an apocalyptic number.

It is an amenable number.

28080006452 is a deficient number, since it is larger than the sum of its proper divisors (21061895728).

28080006452 is a wasteful number, since it uses less digits than its factorization.

28080006452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270130 (or 270128 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 28080006452 in words is "twenty-eight billion, eighty million, six thousand, four hundred fifty-two".