4442002345125 has 40 divisors (see below), whose sum is σ = 8281208539032. Its totient is φ = 2369067912000.

The previous prime is 4442002345097. The next prime is 4442002345141. The reversal of 4442002345125 is 5215432002444.

4442002345125 is a `hidden beast` number, since 444 + 200 + 2 + 3 + 4 + 5 + 1 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1078802131716 + 3363200213409 = 1038654^2 + 1833903^2 .

It is not a de Polignac number, because 4442002345125 - 2⁹ = 4442002344613 is a prime.

It is a super-2 number, since 2×4442002345125² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4442002345125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 219348016 + ... + 219368265.

Almost surely, 2^{4442002345125} is an apocalyptic number.

4442002345125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4442002345125 is a deficient number, since it is larger than the sum of its proper divisors (3839206193907).

4442002345125 is an equidigital number, since it uses as much as digits as its factorization.

4442002345125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438716308 (or 438716289 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 4442002345125 its reverse (5215432002444), we get a palindrome (9657434347569).

The spelling of 4442002345125 in words is "four trillion, four hundred forty-two billion, two million, three hundred forty-five thousand, one hundred twenty-five".