440125135565161 has 8 divisors (see below), whose sum is σ = 478234442720000. Its totient is φ = 403510311043920.

The previous prime is 440125135565117. The next prime is 440125135565239. The reversal of 440125135565161 is 161565531521044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440125135565161 - 2⁹ = 440125135564649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440125135565261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373620657786 + ... + 373620658963.

It is an arithmetic number, because the mean of its divisors is an integer number (59779305340000).

Almost surely, 2^{440125135565161} is an apocalyptic number.

It is an amenable number.

440125135565161 is a deficient number, since it is larger than the sum of its proper divisors (38109307154839).

440125135565161 is a wasteful number, since it uses less digits than its factorization.

440125135565161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747241316799.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 440125135565161 in words is "four hundred forty trillion, one hundred twenty-five billion, one hundred thirty-five million, five hundred sixty-five thousand, one hundred sixty-one".