28030533300 has 1296 divisors, whose sum is σ = 123183365760. Its totient is φ = 5428684800.

The previous prime is 28030533299. The next prime is 28030533331. The reversal of 28030533300 is 333503082.

It is a happy number.

28030533300 is a `hidden beast` number, since 28 + 0 + 305 + 3 + 330 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 272141049 + ... + 272141151.

Almost surely, 2^28030533300 is an apocalyptic number.

28030533300 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 28030533300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61591682880).

28030533300 is an abundant number, since it is smaller than the sum of its proper divisors (95152832460).

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

28030533300 is a wasteful number, since it uses less digits than its factorization.

28030533300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The spelling of 28030533300 in words is "twenty-eight billion, thirty million, five hundred thirty-three thousand, three hundred".