440132344432 has 60 divisors (see below), whose sum is σ = 940787195488. Its totient is φ = 199321689600.

The previous prime is 440132344409. The next prime is 440132344501. The reversal of 440132344432 is 234443231044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105208 + ... + 944104.

Almost surely, 2^440132344432 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 440132344432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470393597744).

440132344432 is an abundant number, since it is smaller than the sum of its proper divisors (500654851056).

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

440132344432 is a wasteful number, since it uses less digits than its factorization.

440132344432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839198 (or 839181 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 440132344432 its reverse (234443231044), we get a palindrome (674575575476).

The spelling of 440132344432 in words is "four hundred forty billion, one hundred thirty-two million, three hundred forty-four thousand, four hundred thirty-two".