6608408040 has 96 divisors (see below), whose sum is σ = 23129444520. Its totient is φ = 1626683904.

The previous prime is 6608408039. The next prime is 6608408041. The reversal of 6608408040 is 408048066.

6608408040 is a `hidden beast` number, since 6 + 608 + 4 + 0 + 8 + 0 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (6608408039) and next prime (6608408041).

It can be written as a sum of positive squares in 4 ways, for example, as 3479348196 + 3129059844 = 58986^2 + 55938^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6608407986 and 6608408004.

It is not an unprimeable number, because it can be changed into a prime (6608408041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 701347 + ... + 710706.

Almost surely, 2^6608408040 is an apocalyptic number.

6608408040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6608408040 is an abundant number, since it is smaller than the sum of its proper divisors (16521036480).

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

6608408040 is a wasteful number, since it uses less digits than its factorization.

6608408040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412083 (or 1412076 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 6608408040 is about 81292.1154848365. The cubic root of 6608408040 is about 1876.5736634084.

The spelling of 6608408040 in words is "six billion, six hundred eight million, four hundred eight thousand, forty".