444324523128 has 64 divisors (see below), whose sum is σ = 1122139560960. Its totient is φ = 146604921216.

The previous prime is 444324523127. The next prime is 444324523193. The reversal of 444324523128 is 821325423444.

It is a self number, because there is not a number n which added to its sum of digits gives 444324523128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444324523127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766801 + ... + 1215167.

It is an arithmetic number, because the mean of its divisors is an integer number (17533430640).

Almost surely, 2^444324523128 is an apocalyptic number.

It is an amenable number.

444324523128 is an abundant number, since it is smaller than the sum of its proper divisors (677815037832).

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

444324523128 is a wasteful number, since it uses less digits than its factorization.

444324523128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448796 (or 448792 counting only the distinct ones).

The product of its digits is 737280, while the sum is 42.

The spelling of 444324523128 in words is "four hundred forty-four billion, three hundred twenty-four million, five hundred twenty-three thousand, one hundred twenty-eight".