44042004052225 has 27 divisors (see below), whose sum is σ = 57638510395977. Its totient is φ = 33378725249280.

The previous prime is 44042004052201. The next prime is 44042004052229. The reversal of 44042004052225 is 52225040024044.

It is a happy number.

The square root of 44042004052225 is 6636415.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3614839020529 + 40427165031696 = 1901273^2 + 6358236^2 .

It is not a de Polignac number, because 44042004052225 - 2⁷ = 44042004052097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44042004052229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 630424497 + ... + 630494353.

Almost surely, 2^{44042004052225} is an apocalyptic number.

44042004052225 is the 6636415-th square number.

44042004052225 is the 3318208-th centered octagonal number.

It is an amenable number.

44042004052225 is a deficient number, since it is larger than the sum of its proper divisors (13596506343752).

44042004052225 is an frugal number, since it uses more digits than its factorization.

44042004052225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139762 (or 69881 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 34.

Adding to 44042004052225 its reverse (52225040024044), we get a palindrome (96267044076269).

The spelling of 44042004052225 in words is "forty-four trillion, forty-two billion, four million, fifty-two thousand, two hundred twenty-five".