400080408080 has 20 divisors (see below), whose sum is σ = 930186948972. Its totient is φ = 160032163200.

The previous prime is 400080408043. The next prime is 400080408097. The reversal of 400080408080 is 80804080004.

It can be written as a sum of positive squares in 2 ways, for example, as 117435065344 + 282645342736 = 342688^2 + 531644^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500502471 + ... + 2500502630.

Almost surely, 2^400080408080 is an apocalyptic number.

400080408080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400080408080 is an abundant number, since it is smaller than the sum of its proper divisors (530106540892).

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

400080408080 is a wasteful number, since it uses less digits than its factorization.

400080408080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001005114 (or 5001005108 counting only the distinct ones).

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

Adding to 400080408080 its reverse (80804080004), we get a palindrome (480884488084).

The spelling of 400080408080 in words is "four hundred billion, eighty million, four hundred eight thousand, eighty".