4160640078640 has 40 divisors (see below), whose sum is σ = 9699011969040. Its totient is φ = 1659864842496.

The previous prime is 4160640078607. The next prime is 4160640078667. The reversal of 4160640078640 is 468700460614.

4160640078640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68581819 + ... + 68642458.

It is an arithmetic number, because the mean of its divisors is an integer number (242475299226).

Almost surely, 2^{4160640078640} is an apocalyptic number.

4160640078640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4160640078640 is an abundant number, since it is smaller than the sum of its proper divisors (5538371890400).

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

4160640078640 is a wasteful number, since it uses less digits than its factorization.

4160640078640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137224669 (or 137224663 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 4160640078640 in words is "four trillion, one hundred sixty billion, six hundred forty million, seventy-eight thousand, six hundred forty".