444554234405320 has 128 divisors (see below), whose sum is σ = 1087899797376000. Its totient is φ = 162511132492800.

The previous prime is 444554234405317. The next prime is 444554234405327. The reversal of 444554234405320 is 23504432455444.

It is not an unprimeable number, because it can be changed into a prime (444554234405327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1355849961 + ... + 1356177799.

It is an arithmetic number, because the mean of its divisors is an integer number (8499217167000).

Almost surely, 2^{444554234405320} is an apocalyptic number.

444554234405320 is a gapful number since it is divisible by the number (40) 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 444554234405320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543949898688000).

444554234405320 is an abundant number, since it is smaller than the sum of its proper divisors (643345562970680).

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

444554234405320 is a wasteful number, since it uses less digits than its factorization.

444554234405320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353783 (or 353779 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 49.

The spelling of 444554234405320 in words is "four hundred forty-four trillion, five hundred fifty-four billion, two hundred thirty-four million, four hundred five thousand, three hundred twenty".