4444491378 has 8 divisors (see below), whose sum is σ = 8888982768. Its totient is φ = 1481497124.

The previous prime is 4444491371. The next prime is 4444491379. The reversal of 4444491378 is 8731944444.

It is a sphenic number, since it is the product of 3 distinct primes.

4444491378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4444491371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370374276 + ... + 370374287.

It is an arithmetic number, because the mean of its divisors is an integer number (1111122846).

Almost surely, 2^4444491378 is an apocalyptic number.

4444491378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4444491378 is a wasteful number, since it uses less digits than its factorization.

4444491378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740748568.

The product of its digits is 1548288, while the sum is 48.

The square root of 4444491378 is about 66667.0186674040. The cubic root of 4444491378 is about 1644.1471702717.

The spelling of 4444491378 in words is "four billion, four hundred forty-four million, four hundred ninety-one thousand, three hundred seventy-eight".