444138482500 has 60 divisors (see below), whose sum is σ = 972090703276. Its totient is φ = 177500160000.

The previous prime is 444138482483. The next prime is 444138482507. The reversal of 444138482500 is 5284831444.

It can be written as a sum of positive squares in 10 ways, for example, as 238145952004 + 205992530496 = 488002^2 + 453864^2 .

It is not an unprimeable number, because it can be changed into a prime (444138482507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2805460 + ... + 2959540.

Almost surely, 2^444138482500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444138482500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486045351638).

444138482500 is an abundant number, since it is smaller than the sum of its proper divisors (527952220776).

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

444138482500 is a wasteful number, since it uses less digits than its factorization.

444138482500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155258 (or 155241 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 43.

The spelling of 444138482500 in words is "four hundred forty-four billion, one hundred thirty-eight million, four hundred eighty-two thousand, five hundred".