440440441432 has 8 divisors (see below), whose sum is σ = 825825827700. Its totient is φ = 220220220712.

The previous prime is 440440441423. The next prime is 440440441439. The reversal of 440440441432 is 234144044044.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440440441439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527527582 + ... + 27527527597.

Almost surely, 2^440440441432 is an apocalyptic number.

It is an amenable number.

440440441432 is a deficient number, since it is larger than the sum of its proper divisors (385385386268).

440440441432 is a wasteful number, since it uses less digits than its factorization.

440440441432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55055055185 (or 55055055181 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 440440441432 its reverse (234144044044), we get a palindrome (674584485476).

The spelling of 440440441432 in words is "four hundred forty billion, four hundred forty million, four hundred forty-one thousand, four hundred thirty-two".