28606841560 has 256 divisors, whose sum is σ = 79230182400. Its totient is φ = 9169459200.

The previous prime is 28606841551. The next prime is 28606841573. The reversal of 28606841560 is 6514860682.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 28606841560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7112350 + ... + 7116370.

It is an arithmetic number, because the mean of its divisors is an integer number (309492900).

Almost surely, 2^28606841560 is an apocalyptic number.

28606841560 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 28606841560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39615091200).

28606841560 is an abundant number, since it is smaller than the sum of its proper divisors (50623340840).

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

28606841560 is a wasteful number, since it uses less digits than its factorization.

28606841560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122 (or 4118 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 28606841560 in words is "twenty-eight billion, six hundred six million, eight hundred forty-one thousand, five hundred sixty".