40843108619 has 4 divisors (see below), whose sum is σ = 40847655240. Its totient is φ = 40838562000.

The previous prime is 40843108573. The next prime is 40843108667. The reversal of 40843108619 is 91680134804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40843108619 - 2¹⁶ = 40843043083 is a prime.

It is a super-2 number, since 2×40843108619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40843108619.

It is not an unprimeable number, because it can be changed into a prime (40843108219) by changing a digit.

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, 2259809 + ... + 2277810.

It is an arithmetic number, because the mean of its divisors is an integer number (10211913810).

Almost surely, 2^40843108619 is an apocalyptic number.

40843108619 is a deficient number, since it is larger than the sum of its proper divisors (4546621).

40843108619 is an equidigital number, since it uses as much as digits as its factorization.

40843108619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546620.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 40843108619 in words is "forty billion, eight hundred forty-three million, one hundred eight thousand, six hundred nineteen".