4438078945 has 12 divisors (see below), whose sum is σ = 5515677180. Its totient is φ = 3428030144.

The previous prime is 4438078903. The next prime is 4438078951. The reversal of 4438078945 is 5498708344.

It can be written as a sum of positive squares in 6 ways, for example, as 272151009 + 4165927936 = 16497^2 + 64544^2 .

It is not a de Polignac number, because 4438078945 - 2⁹ = 4438078433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4438078892 and 4438078901.

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, 523510 + ... + 531919.

It is an arithmetic number, because the mean of its divisors is an integer number (459639765).

Almost surely, 2^4438078945 is an apocalyptic number.

It is an amenable number.

4438078945 is a deficient number, since it is larger than the sum of its proper divisors (1077598235).

4438078945 is a wasteful number, since it uses less digits than its factorization.

4438078945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055492 (or 1055463 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 4438078945 is about 66618.9083143817. The cubic root of 4438078945 is about 1643.3560742720.

The spelling of 4438078945 in words is "four billion, four hundred thirty-eight million, seventy-eight thousand, nine hundred forty-five".