8040828020 has 48 divisors (see below), whose sum is σ = 16975736400. Its totient is φ = 3199233024.

The previous prime is 8040828013. The next prime is 8040828031. The reversal of 8040828020 is 208280408.

It can be written as a sum of positive squares in 8 ways, for example, as 2630048656 + 5410779364 = 51284^2 + 73558^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5190206 + ... + 5191754.

It is an arithmetic number, because the mean of its divisors is an integer number (353661175).

Almost surely, 2^8040828020 is an apocalyptic number.

It is an amenable number.

8040828020 is an abundant number, since it is smaller than the sum of its proper divisors (8934908380).

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

8040828020 is a wasteful number, since it uses less digits than its factorization.

8040828020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 8040828020 is about 89670.6642107663. The cubic root of 8040828020 is about 2003.3965634131.

The spelling of 8040828020 in words is "eight billion, forty million, eight hundred twenty-eight thousand, twenty".