440430886912 has 72 divisors (see below), whose sum is σ = 882612412416. Its totient is φ = 219777073152.

The previous prime is 440430886799. The next prime is 440430886993. The reversal of 440430886912 is 219688034044.

It is a super-2 number, since 2×440430886912² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71693313 + ... + 71699455.

It is an arithmetic number, because the mean of its divisors is an integer number (12258505728).

Almost surely, 2^440430886912 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 440430886912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441306206208).

440430886912 is an abundant number, since it is smaller than the sum of its proper divisors (442181525504).

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

440430886912 is an frugal number, since it uses more digits than its factorization.

440430886912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724 (or 6692 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 440430886912 in words is "four hundred forty billion, four hundred thirty million, eight hundred eighty-six thousand, nine hundred twelve".