4424478445 has 4 divisors (see below), whose sum is σ = 5309374140. Its totient is φ = 3539582752.

The previous prime is 4424478419. The next prime is 4424478479. The reversal of 4424478445 is 5448744244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3374912836 + 1049565609 = 58094^2 + 32397^2 .

It is a cyclic number.

It is not a de Polignac number, because 4424478445 - 2⁹ = 4424477933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4424478395 and 4424478404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442447840 + ... + 442447849.

It is an arithmetic number, because the mean of its divisors is an integer number (1327343535).

Almost surely, 2^4424478445 is an apocalyptic number.

It is an amenable number.

4424478445 is a deficient number, since it is larger than the sum of its proper divisors (884895695).

4424478445 is an equidigital number, since it uses as much as digits as its factorization.

4424478445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884895694.

The product of its digits is 2293760, while the sum is 46.

The square root of 4424478445 is about 66516.7531152867. The cubic root of 4424478445 is about 1641.6756674619.

The spelling of 4424478445 in words is "four billion, four hundred twenty-four million, four hundred seventy-eight thousand, four hundred forty-five".