28558539360 has 960 divisors, whose sum is σ = 117564955200. Its totient is φ = 6504136704.

The previous prime is 28558539319. The next prime is 28558539439. The reversal of 28558539360 is 6393585582.

28558539360 is a `hidden beast` number, since 2 + 8 + 558 + 53 + 9 + 36 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 28558539297 and 28558539306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 484043011 + ... + 484043069.

It is an arithmetic number, because the mean of its divisors is an integer number (122463495).

Almost surely, 2^28558539360 is an apocalyptic number.

28558539360 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 28558539360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58782477600).

28558539360 is an abundant number, since it is smaller than the sum of its proper divisors (89006415840).

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

28558539360 is a wasteful number, since it uses less digits than its factorization.

28558539360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 28558539360 in words is "twenty-eight billion, five hundred fifty-eight million, five hundred thirty-nine thousand, three hundred sixty".