444388406120 has 64 divisors (see below), whose sum is σ = 1058956200000. Its totient is φ = 167366642688.

The previous prime is 444388406113. The next prime is 444388406159. The reversal of 444388406120 is 21604883444.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1669745 + ... + 1917504.

It is an arithmetic number, because the mean of its divisors is an integer number (16546190625).

Almost surely, 2^444388406120 is an apocalyptic number.

444388406120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444388406120 is an abundant number, since it is smaller than the sum of its proper divisors (614567793880).

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

444388406120 is a wasteful number, since it uses less digits than its factorization.

444388406120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587442 (or 3587438 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 444388406120 in words is "four hundred forty-four billion, three hundred eighty-eight million, four hundred six thousand, one hundred twenty".