40743343444 has 12 divisors (see below), whose sum is σ = 73039896468. Its totient is φ = 19874801600.

The previous prime is 40743343441. The next prime is 40743343453. The reversal of 40743343444 is 44434334704.

It can be written as a sum of positive squares in 2 ways, for example, as 21737963844 + 19005379600 = 147438^2 + 137860^2 .

It is a super-2 number, since 2×40743343444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40743343397 and 40743343406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40743343441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124217347 + ... + 124217674.

It is an arithmetic number, because the mean of its divisors is an integer number (6086658039).

Almost surely, 2^40743343444 is an apocalyptic number.

It is an amenable number.

40743343444 is a deficient number, since it is larger than the sum of its proper divisors (32296553024).

40743343444 is a wasteful number, since it uses less digits than its factorization.

40743343444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248435066 (or 248435064 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 40.

The spelling of 40743343444 in words is "forty billion, seven hundred forty-three million, three hundred forty-three thousand, four hundred forty-four".