804708021132 has 144 divisors (see below), whose sum is σ = 2100674913792. Its totient is φ = 259544062080.

The previous prime is 804708021127. The next prime is 804708021163. The reversal of 804708021132 is 231120807408.

804708021132 is a `hidden beast` number, since 80 + 470 + 80 + 2 + 1 + 1 + 32 = 666.

It is a super-2 number, since 2×804708021132² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232103263 + ... + 232106729.

Almost surely, 2^804708021132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804708021132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050337456896).

804708021132 is an abundant number, since it is smaller than the sum of its proper divisors (1295966892660).

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

804708021132 is a wasteful number, since it uses less digits than its factorization.

804708021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428 (or 4423 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 804708021132 in words is "eight hundred four billion, seven hundred eight million, twenty-one thousand, one hundred thirty-two".