44351442225 has 72 divisors (see below), whose sum is σ = 83114591040. Its totient is φ = 22564967040.

The previous prime is 44351442169. The next prime is 44351442241. The reversal of 44351442225 is 52224415344.

44351442225 is a `hidden beast` number, since 44 + 351 + 4 + 42 + 225 = 666.

It is not a de Polignac number, because 44351442225 - 2²⁰ = 44350393649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44351442225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1950019 + ... + 1972631.

It is an arithmetic number, because the mean of its divisors is an integer number (1154369320).

Almost surely, 2^44351442225 is an apocalyptic number.

44351442225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44351442225 is a deficient number, since it is larger than the sum of its proper divisors (38763148815).

44351442225 is a wasteful number, since it uses less digits than its factorization.

44351442225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23031 (or 23023 counting only the distinct ones).

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

Adding to 44351442225 its reverse (52224415344), we get a palindrome (96575857569).

The spelling of 44351442225 in words is "forty-four billion, three hundred fifty-one million, four hundred forty-two thousand, two hundred twenty-five".