8485021044 has 54 divisors (see below), whose sum is σ = 21818261010. Its totient is φ = 2780361312.

The previous prime is 8485020979. The next prime is 8485021049. The reversal of 8485021044 is 4401205848.

8485021044 is a `hidden beast` number, since 8 + 48 + 502 + 104 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4863388644 + 3621632400 = 69738^2 + 60180^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8485021049) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 91462 + ... + 159170.

Almost surely, 2^8485021044 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 8485021044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10909130505).

8485021044 is an abundant number, since it is smaller than the sum of its proper divisors (13333239966).

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

8485021044 is a wasteful number, since it uses less digits than its factorization.

8485021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67837 (or 67773 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 8485021044 is about 92114.1739581917. The cubic root of 8485021044 is about 2039.6280434880.

The spelling of 8485021044 in words is "eight billion, four hundred eighty-five million, twenty-one thousand, forty-four".