7680408040 has 16 divisors (see below), whose sum is σ = 17280918180. Its totient is φ = 3072163200.

The previous prime is 7680408017. The next prime is 7680408059. The reversal of 7680408040 is 408040867.

It can be written as a sum of positive squares in 2 ways, for example, as 7040216836 + 640191204 = 83906^2 + 25302^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96005061 + ... + 96005140.

Almost surely, 2^7680408040 is an apocalyptic number.

It is an amenable number.

7680408040 is an abundant number, since it is smaller than the sum of its proper divisors (9600510140).

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

7680408040 is a wasteful number, since it uses less digits than its factorization.

7680408040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192010212 (or 192010208 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 7680408040 is about 87637.9372189921. The cubic root of 7680408040 is about 1973.0046002753.

The spelling of 7680408040 in words is "seven billion, six hundred eighty million, four hundred eight thousand, forty".