444020013144 has 128 divisors (see below), whose sum is σ = 1343073600000. Its totient is φ = 135381746304.

The previous prime is 444020013139. The next prime is 444020013167. The reversal of 444020013144 is 441310020444.

444020013144 is a `hidden beast` number, since 4 + 440 + 200 + 1 + 3 + 14 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1746364 + ... + 1984395.

It is an arithmetic number, because the mean of its divisors is an integer number (10492762500).

Almost surely, 2^444020013144 is an apocalyptic number.

It is an amenable number.

444020013144 is an abundant number, since it is smaller than the sum of its proper divisors (899053586856).

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

444020013144 is a wasteful number, since it uses less digits than its factorization.

444020013144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730822 (or 3730812 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 444020013144 its reverse (441310020444), we get a palindrome (885330033588).

The spelling of 444020013144 in words is "four hundred forty-four billion, twenty million, thirteen thousand, one hundred forty-four".