440343420412 has 24 divisors (see below), whose sum is σ = 882114244704. Its totient is φ = 188412736512.

The previous prime is 440343420403. The next prime is 440343420467. The reversal of 440343420412 is 214024343044.

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, 12727093 + ... + 12761644.

It is an arithmetic number, because the mean of its divisors is an integer number (36754760196).

Almost surely, 2^440343420412 is an apocalyptic number.

It is an amenable number.

440343420412 is an abundant number, since it is smaller than the sum of its proper divisors (441770824292).

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

440343420412 is a wasteful number, since it uses less digits than its factorization.

440343420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25489365 (or 25489363 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 440343420412 its reverse (214024343044), we get a palindrome (654367763456).

The spelling of 440343420412 in words is "four hundred forty billion, three hundred forty-three million, four hundred twenty thousand, four hundred twelve".