28453170525120 has 448 divisors, whose sum is σ = 109937949166080. Its totient is φ = 6870251520000.

The previous prime is 28453170525089. The next prime is 28453170525121. The reversal of 28453170525120 is 2152507135482.

28453170525120 is a `hidden beast` number, since 2 + 8 + 4 + 5 + 31 + 70 + 525 + 1 + 20 = 666.

28453170525120 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28453170525121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23258664 + ... + 24451416.

It is an arithmetic number, because the mean of its divisors is an integer number (245397207960).

Almost surely, 2^{28453170525120} is an apocalyptic number.

28453170525120 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 28453170525120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54968974583040).

28453170525120 is an abundant number, since it is smaller than the sum of its proper divisors (81484778640960).

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

28453170525120 is a wasteful number, since it uses less digits than its factorization.

28453170525120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193041 (or 1193025 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 28453170525120 in words is "twenty-eight trillion, four hundred fifty-three billion, one hundred seventy million, five hundred twenty-five thousand, one hundred twenty".