440300212432 has 80 divisors (see below), whose sum is σ = 933245089920. Its totient is φ = 200416075776.

The previous prime is 440300212399. The next prime is 440300212433. The reversal of 440300212432 is 234212003044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440300212397 and 440300212406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440300212433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021944 + ... + 1387432.

It is an arithmetic number, because the mean of its divisors is an integer number (11665563624).

Almost surely, 2^440300212432 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 440300212432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466622544960).

440300212432 is an abundant number, since it is smaller than the sum of its proper divisors (492944877488).

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

440300212432 is a wasteful number, since it uses less digits than its factorization.

440300212432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365660 (or 365654 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 440300212432 its reverse (234212003044), we get a palindrome (674512215476).

The spelling of 440300212432 in words is "four hundred forty billion, three hundred million, two hundred twelve thousand, four hundred thirty-two".