28130303376 has 600 divisors, whose sum is σ = 101970544896. Its totient is φ = 7437588480.

The previous prime is 28130303363. The next prime is 28130303381. The reversal of 28130303376 is 67330303182.

It is a happy number.

28130303376 is a `hidden beast` number, since 281 + 3 + 0 + 3 + 0 + 3 + 376 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28130303376.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 76649145 + ... + 76649511.

Almost surely, 2^28130303376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28130303376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50985272448).

28130303376 is an abundant number, since it is smaller than the sum of its proper divisors (73840241520).

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

28130303376 is a wasteful number, since it uses less digits than its factorization.

28130303376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 28130303376 in words is "twenty-eight billion, one hundred thirty million, three hundred three thousand, three hundred seventy-six".