444840768 has 224 divisors, whose sum is σ = 1459382400. Its totient is φ = 132046848.

The previous prime is 444840743. The next prime is 444840791. The reversal of 444840768 is 867048444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557746 + ... + 558542.

It is an arithmetic number, because the mean of its divisors is an integer number (6515100).

Almost surely, 2^444840768 is an apocalyptic number.

444840768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444840768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729691200).

444840768 is an abundant number, since it is smaller than the sum of its proper divisors (1014541632).

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

444840768 is a wasteful number, since it uses less digits than its factorization.

444840768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 444840768 is about 21091.2486116873. The cubic root of 444840768 is about 763.3695995855.

The spelling of 444840768 in words is "four hundred forty-four million, eight hundred forty thousand, seven hundred sixty-eight".