444155013252 has 96 divisors (see below), whose sum is σ = 1176257859840. Its totient is φ = 144900645120.

The previous prime is 444155013251. The next prime is 444155013271. The reversal of 444155013252 is 252310551444.

444155013252 is a `hidden beast` number, since 4 + 4 + 41 + 550 + 13 + 2 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (444155013251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 839118 + ... + 1261914.

It is an arithmetic number, because the mean of its divisors is an integer number (12252686040).

Almost surely, 2^444155013252 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 444155013252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588128929920).

444155013252 is an abundant number, since it is smaller than the sum of its proper divisors (732102846588).

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

444155013252 is a wasteful number, since it uses less digits than its factorization.

444155013252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423018 (or 423010 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 444155013252 its reverse (252310551444), we get a palindrome (696465564696).

The spelling of 444155013252 in words is "four hundred forty-four billion, one hundred fifty-five million, thirteen thousand, two hundred fifty-two".