4444978329 has 32 divisors (see below), whose sum is σ = 7336673280. Its totient is φ = 2636600400.

The previous prime is 4444978309. The next prime is 4444978333. The reversal of 4444978329 is 9238794444.

It is not a de Polignac number, because 4444978329 - 2⁷ = 4444978201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4444978309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145257 + ... + 173174.

It is an arithmetic number, because the mean of its divisors is an integer number (229271040).

Almost surely, 2^4444978329 is an apocalyptic number.

It is an amenable number.

4444978329 is a deficient number, since it is larger than the sum of its proper divisors (2891694951).

4444978329 is a wasteful number, since it uses less digits than its factorization.

4444978329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318498 (or 318492 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 4444978329 is about 66670.6706805924. The cubic root of 4444978329 is about 1644.2072138779.

The spelling of 4444978329 in words is "four billion, four hundred forty-four million, nine hundred seventy-eight thousand, three hundred twenty-nine".