40843034309 has 16 divisors (see below), whose sum is σ = 51681209856. Its totient is φ = 31350726000.

The previous prime is 40843034303. The next prime is 40843034359. The reversal of 40843034309 is 90343034804.

It is a de Polignac number, because none of the positive numbers 2^k-40843034309 is a prime.

It is a super-2 number, since 2×40843034309² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40843034303) 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 15 ways as a sum of consecutive naturals, for example, 3953267 + ... + 3963584.

It is an arithmetic number, because the mean of its divisors is an integer number (3230075616).

Almost surely, 2^40843034309 is an apocalyptic number.

It is an amenable number.

40843034309 is a deficient number, since it is larger than the sum of its proper divisors (10838175547).

40843034309 is a wasteful number, since it uses less digits than its factorization.

40843034309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7916936.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 40843034309 in words is "forty billion, eight hundred forty-three million, thirty-four thousand, three hundred nine".