28672030080 has 320 divisors, whose sum is σ = 104083048080. Its totient is φ = 7519703040.

The previous prime is 28672030021. The next prime is 28672030091. The reversal of 28672030080 is 8003027682.

It is a happy number.

28672030080 is a `hidden beast` number, since 286 + 72 + 0 + 300 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3157707 + ... + 3166773.

Almost surely, 2^28672030080 is an apocalyptic number.

28672030080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28672030080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52041524040).

28672030080 is an abundant number, since it is smaller than the sum of its proper divisors (75411018000).

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

28672030080 is an equidigital number, since it uses as much as digits as its factorization.

28672030080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9159 (or 9138 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 28672030080 in words is "twenty-eight billion, six hundred seventy-two million, thirty thousand, eighty".