8025529921920 has 2560 divisors, whose sum is σ = 35580504960000. Its totient is φ = 1683378339840.

The previous prime is 8025529921897. The next prime is 8025529921933. The reversal of 8025529921920 is 291299255208.

8025529921920 is a `hidden beast` number, since 8 + 0 + 2 + 5 + 529 + 9 + 21 + 92 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 44339944230 + ... + 44339944410.

It is an arithmetic number, because the mean of its divisors is an integer number (13898634750).

Almost surely, 2^{8025529921920} is an apocalyptic number.

8025529921920 is a gapful number since it is divisible by the number (80) 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 8025529921920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17790252480000).

8025529921920 is an abundant number, since it is smaller than the sum of its proper divisors (27554975038080).

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

8025529921920 is a wasteful number, since it uses less digits than its factorization.

8025529921920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 8025529921920 in words is "eight trillion, twenty-five billion, five hundred twenty-nine million, nine hundred twenty-one thousand, nine hundred twenty".