1040808080 has 40 divisors (see below), whose sum is σ = 2606025912. Its totient is φ = 384297984.

The previous prime is 1040808071. The next prime is 1040808127. The reversal of 1040808080 is 808080401.

1040808080 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 104203264 + 936604816 = 10208^2 + 30604^2 .

It is a tau number, because it is divible by the number of its divisors (40).

1040808080 is a modest number, since divided by 808080 gives 1040 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499349 + ... + 501428.

Almost surely, 2^1040808080 is an apocalyptic number.

1040808080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040808080 is an abundant number, since it is smaller than the sum of its proper divisors (1565217832).

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

1040808080 is a wasteful number, since it uses less digits than its factorization.

1040808080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000803 (or 1000797 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1040808080 is about 32261.5573089707. The cubic root of 1040808080 is about 1013.4217441713.

Adding to 1040808080 its reverse (808080401), we get a palindrome (1848888481).

The spelling of 1040808080 in words is "one billion, forty million, eight hundred eight thousand, eighty".