4442134023225 has 18 divisors (see below), whose sum is σ = 7956355606446. Its totient is φ = 2369138145600.

The previous prime is 4442134023209. The next prime is 4442134023247. The reversal of 4442134023225 is 5223204312444.

4442134023225 is a `hidden beast` number, since 4 + 4 + 4 + 21 + 3 + 402 + 3 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 314357576976 + 4127776446249 = 560676^2 + 2031693^2 .

It is not a de Polignac number, because 4442134023225 - 2⁴ = 4442134023209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4442134023225.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9871408716 + ... + 9871409165.

Almost surely, 2^{4442134023225} is an apocalyptic number.

4442134023225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4442134023225 is a deficient number, since it is larger than the sum of its proper divisors (3514221583221).

4442134023225 is a wasteful number, since it uses less digits than its factorization.

4442134023225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19742817897 (or 19742817889 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 4442134023225 its reverse (5223204312444), we get a palindrome (9665338335669).

The spelling of 4442134023225 in words is "four trillion, four hundred forty-two billion, one hundred thirty-four million, twenty-three thousand, two hundred twenty-five".