1444689224778 has 8 divisors (see below), whose sum is σ = 2889378449568. Its totient is φ = 481563074924.

The previous prime is 1444689224767. The next prime is 1444689224801. The reversal of 1444689224778 is 8774229864441.

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

1444689224778 is an admirable 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, 120390768726 + ... + 120390768737.

It is an arithmetic number, because the mean of its divisors is an integer number (361172306196).

Almost surely, 2^{1444689224778} is an apocalyptic number.

1444689224778 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.

1444689224778 is a wasteful number, since it uses less digits than its factorization.

1444689224778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240781537468.

The product of its digits is 173408256, while the sum is 66.

The spelling of 1444689224778 in words is "one trillion, four hundred forty-four billion, six hundred eighty-nine million, two hundred twenty-four thousand, seven hundred seventy-eight".