100440012325 has 6 divisors (see below), whose sum is σ = 124545615314. Its totient is φ = 80352009840.

The previous prime is 100440012317. The next prime is 100440012347. The reversal of 100440012325 is 523210044001.

It can be written as a sum of positive squares in 3 ways, for example, as 8343543649 + 92096468676 = 91343^2 + 303474^2 .

It is not a de Polignac number, because 100440012325 - 2³ = 100440012317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100440012296 and 100440012305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2008800222 + ... + 2008800271.

Almost surely, 2^100440012325 is an apocalyptic number.

It is an amenable number.

100440012325 is a deficient number, since it is larger than the sum of its proper divisors (24105602989).

100440012325 is an equidigital number, since it uses as much as digits as its factorization.

100440012325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017600503 (or 4017600498 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 100440012325 its reverse (523210044001), we get a palindrome (623650056326).

The spelling of 100440012325 in words is "one hundred billion, four hundred forty million, twelve thousand, three hundred twenty-five".