28489249575360 has 840 divisors, whose sum is σ = 118028543632560. Its totient is φ = 6503998685184.

The previous prime is 28489249575359. The next prime is 28489249575373. The reversal of 28489249575360 is 6357594298482.

28489249575360 is a `hidden beast` number, since 2 + 8 + 4 + 8 + 9 + 2 + 49 + 575 + 3 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (840).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1090985664 + ... + 1091011776.

Almost surely, 2^{28489249575360} is an apocalyptic number.

28489249575360 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 28489249575360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59014271816280).

28489249575360 is an abundant number, since it is smaller than the sum of its proper divisors (89539294057200).

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

28489249575360 is a wasteful number, since it uses less digits than its factorization.

28489249575360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27015 (or 26989 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 72.

The spelling of 28489249575360 in words is "twenty-eight trillion, four hundred eighty-nine billion, two hundred forty-nine million, five hundred seventy-five thousand, three hundred sixty".