44605413225 has 18 divisors (see below), whose sum is σ = 79893251646. Its totient is φ = 23789553600.

The previous prime is 44605413217. The next prime is 44605413277. The reversal of 44605413225 is 52231450644.

44605413225 is a `hidden beast` number, since 4 + 4 + 60 + 541 + 32 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 7979491584 + 36625921641 = 89328^2 + 191379^2 .

It is not a de Polignac number, because 44605413225 - 2³ = 44605413217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44605413225.

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 17 ways as a sum of consecutive naturals, for example, 99122916 + ... + 99123365.

Almost surely, 2^44605413225 is an apocalyptic number.

44605413225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44605413225 is a deficient number, since it is larger than the sum of its proper divisors (35287838421).

44605413225 is a wasteful number, since it uses less digits than its factorization.

44605413225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198246297 (or 198246289 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 44605413225 its reverse (52231450644), we get a palindrome (96836863869).

The spelling of 44605413225 in words is "forty-four billion, six hundred five million, four hundred thirteen thousand, two hundred twenty-five".