440164236336412 has 96 divisors (see below), whose sum is σ = 947505781555200. Its totient is φ = 174702404587968.

The previous prime is 440164236336389. The next prime is 440164236336491. The reversal of 440164236336412 is 214633632461044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10487443 + ... + 31469269.

It is an arithmetic number, because the mean of its divisors is an integer number (9869851891200).

Almost surely, 2^{440164236336412} 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 440164236336412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473752890777600).

440164236336412 is an abundant number, since it is smaller than the sum of its proper divisors (507341545218788).

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

440164236336412 is a wasteful number, since it uses less digits than its factorization.

440164236336412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20982743 (or 20982741 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 49.

Adding to 440164236336412 its reverse (214633632461044), we get a palindrome (654797868797456).

The spelling of 440164236336412 in words is "four hundred forty trillion, one hundred sixty-four billion, two hundred thirty-six million, three hundred thirty-six thousand, four hundred twelve".