4638078445 has 32 divisors (see below), whose sum is σ = 7472828160. Its totient is φ = 2668861440.

The previous prime is 4638078437. The next prime is 4638078451. The reversal of 4638078445 is 5448708364.

4638078445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4638078445 - 2³ = 4638078437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458340 + ... + 468349.

It is an arithmetic number, because the mean of its divisors is an integer number (233525880).

Almost surely, 2^4638078445 is an apocalyptic number.

It is an amenable number.

4638078445 is a deficient number, since it is larger than the sum of its proper divisors (2834749715).

4638078445 is a wasteful number, since it uses less digits than its factorization.

4638078445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926725.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The square root of 4638078445 is about 68103.4393037532. The cubic root of 4638078445 is about 1667.6799083910.

The spelling of 4638078445 in words is "four billion, six hundred thirty-eight million, seventy-eight thousand, four hundred forty-five".