28555834230 has 768 divisors, whose sum is σ = 102593433600. Its totient is φ = 5519923200.

The previous prime is 28555834213. The next prime is 28555834247. The reversal of 28555834230 is 3243855582.

28555834230 is a `hidden beast` number, since 28 + 5 + 5 + 583 + 42 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (28555834213) and next prime (28555834247).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 320852026 + ... + 320852114.

It is an arithmetic number, because the mean of its divisors is an integer number (133585200).

Almost surely, 2^28555834230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28555834230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51296716800).

28555834230 is an abundant number, since it is smaller than the sum of its proper divisors (74037599370).

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

28555834230 is a wasteful number, since it uses less digits than its factorization.

28555834230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 28555834230 in words is "twenty-eight billion, five hundred fifty-five million, eight hundred thirty-four thousand, two hundred thirty".