4078944545 has 32 divisors (see below), whose sum is σ = 5507453952. Its totient is φ = 2877507072.

The previous prime is 4078944497. The next prime is 4078944563. The reversal of 4078944545 is 5454498704.

4078944545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4078944545 - 2²⁸ = 3810509089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4078944493 and 4078944502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1782392 + ... + 1784678.

It is an arithmetic number, because the mean of its divisors is an integer number (172107936).

Almost surely, 2^4078944545 is an apocalyptic number.

It is an amenable number.

4078944545 is a deficient number, since it is larger than the sum of its proper divisors (1428509407).

4078944545 is a wasteful number, since it uses less digits than its factorization.

4078944545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The square root of 4078944545 is about 63866.6152618095. The cubic root of 4078944545 is about 1597.7761481140.

The spelling of 4078944545 in words is "four billion, seventy-eight million, nine hundred forty-four thousand, five hundred forty-five".