440826161841 has 128 divisors (see below), whose sum is σ = 746790105600. Its totient is φ = 254767887360.

The previous prime is 440826161827. The next prime is 440826161863. The reversal of 440826161841 is 148161628044.

440826161841 is a `hidden beast` number, since 4 + 4 + 0 + 8 + 26 + 1 + 618 + 4 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-440826161841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (440826161821) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 553106455 + ... + 553107251.

It is an arithmetic number, because the mean of its divisors is an integer number (5834297700).

Almost surely, 2^440826161841 is an apocalyptic number.

It is an amenable number.

440826161841 is a deficient number, since it is larger than the sum of its proper divisors (305963943759).

440826161841 is a wasteful number, since it uses less digits than its factorization.

440826161841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

Adding to 440826161841 its reverse (148161628044), we get a palindrome (588987789885).

The spelling of 440826161841 in words is "four hundred forty billion, eight hundred twenty-six million, one hundred sixty-one thousand, eight hundred forty-one".