8521045092 has 144 divisors (see below), whose sum is σ = 25415470080. Its totient is φ = 2356252416.

The previous prime is 8521045081. The next prime is 8521045109. The reversal of 8521045092 is 2905401258.

8521045092 is a `hidden beast` number, since 8 + 521 + 0 + 45 + 0 + 92 = 666.

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 (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1834509 + ... + 1839147.

It is an arithmetic number, because the mean of its divisors is an integer number (176496320).

Almost surely, 2^8521045092 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 8521045092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12707735040).

8521045092 is an abundant number, since it is smaller than the sum of its proper divisors (16894424988).

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

8521045092 is a wasteful number, since it uses less digits than its factorization.

8521045092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890 (or 4885 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 8521045092 is about 92309.5070510075. The cubic root of 8521045092 is about 2042.5104531625.

The spelling of 8521045092 in words is "eight billion, five hundred twenty-one million, forty-five thousand, ninety-two".