444442781875 has 10 divisors (see below), whose sum is σ = 555375701012. Its totient is φ = 355554225000.

The previous prime is 444442781869. The next prime is 444442781911. The reversal of 444442781875 is 578187244444.

It is not a de Polignac number, because 444442781875 - 2⁷ = 444442781747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 355553601 + ... + 355554850.

Almost surely, 2^444442781875 is an apocalyptic number.

444442781875 is a deficient number, since it is larger than the sum of its proper divisors (110932919137).

444442781875 is an frugal number, since it uses more digits than its factorization.

444442781875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711108471 (or 711108456 counting only the distinct ones).

The product of its digits is 32112640, while the sum is 58.

The spelling of 444442781875 in words is "four hundred forty-four billion, four hundred forty-two million, seven hundred eighty-one thousand, eight hundred seventy-five".