4078915808 has 72 divisors (see below), whose sum is σ = 9346137696. Its totient is φ = 1744962560.

The previous prime is 4078915787. The next prime is 4078915831. The reversal of 4078915808 is 8085198704.

4078915808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34841 + ... + 96807.

It is an arithmetic number, because the mean of its divisors is an integer number (129807468).

Almost surely, 2^4078915808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4078915808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4673068848).

4078915808 is an abundant number, since it is smaller than the sum of its proper divisors (5267221888).

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

4078915808 is a wasteful number, since it uses less digits than its factorization.

4078915808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62016 (or 61997 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The square root of 4078915808 is about 63866.3902847186. The cubic root of 4078915808 is about 1597.7723958851.

The spelling of 4078915808 in words is "four billion, seventy-eight million, nine hundred fifteen thousand, eight hundred eight".