28891252000260 has 480 divisors, whose sum is σ = 108785439987840. Its totient is φ = 6341074440192.

The previous prime is 28891252000223. The next prime is 28891252000271. The reversal of 28891252000260 is 6200025219882.

28891252000260 is a `hidden beast` number, since 2 + 88 + 91 + 25 + 200 + 0 + 260 = 666.

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

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, 4678767 + ... + 8925993.

It is an arithmetic number, because the mean of its divisors is an integer number (226636333308).

Almost surely, 2^{28891252000260} is an apocalyptic number.

28891252000260 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 28891252000260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54392719993920).

28891252000260 is an abundant number, since it is smaller than the sum of its proper divisors (79894187987580).

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

28891252000260 is a wasteful number, since it uses less digits than its factorization.

28891252000260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247297 (or 4247286 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 28891252000260 in words is "twenty-eight trillion, eight hundred ninety-one billion, two hundred fifty-two million, two hundred sixty", and thus it is an aban number.