406744343444 has 12 divisors (see below), whose sum is σ = 711807403104. Its totient is φ = 203370799704.

The previous prime is 406744343441. The next prime is 406744343461. The reversal of 406744343444 is 444343447604.

It is a super-2 number, since 2×406744343444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406744343441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631907 + ... + 1101269.

It is an arithmetic number, because the mean of its divisors is an integer number (59317283592).

Almost surely, 2^406744343444 is an apocalyptic number.

It is an amenable number.

406744343444 is a deficient number, since it is larger than the sum of its proper divisors (305063059660).

406744343444 is a wasteful number, since it uses less digits than its factorization.

406744343444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686014 (or 686012 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 47.

The spelling of 406744343444 in words is "four hundred six billion, seven hundred forty-four million, three hundred forty-three thousand, four hundred forty-four".