440044440832 has 72 divisors (see below), whose sum is σ = 924889232960. Its totient is φ = 208376893440.

The previous prime is 440044440809. The next prime is 440044440893. The reversal of 440044440832 is 238044440044.

It is a junction number, because it is equal to n+sod(n) for n = 440044440791 and 440044440800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17853157 + ... + 17877787.

Almost surely, 2^440044440832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440044440832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462444616480).

440044440832 is an abundant number, since it is smaller than the sum of its proper divisors (484844792128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440044440832 is a wasteful number, since it uses less digits than its factorization.

440044440832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28339 (or 28325 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 440044440832 its reverse (238044440044), we get a palindrome (678088880876).

The spelling of 440044440832 in words is "four hundred forty billion, forty-four million, four hundred forty thousand, eight hundred thirty-two".