8042820570 has 24 divisors (see below), whose sum is σ = 20911333716. Its totient is φ = 2144752128.

The previous prime is 8042820557. The next prime is 8042820607. The reversal of 8042820570 is 750282408.

It is a happy number.

8042820570 is a `hidden beast` number, since 8 + 0 + 4 + 2 + 82 + 0 + 570 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6717933369 + 1324887201 = 81963^2 + 36399^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44682247 + ... + 44682426.

Almost surely, 2^8042820570 is an apocalyptic number.

8042820570 is an abundant number, since it is smaller than the sum of its proper divisors (12868513146).

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

8042820570 is a wasteful number, since it uses less digits than its factorization.

8042820570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89364686 (or 89364683 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 8042820570 is about 89681.7739008323. The cubic root of 8042820570 is about 2003.5620330274.

The spelling of 8042820570 in words is "eight billion, forty-two million, eight hundred twenty thousand, five hundred seventy".