40434171313491 has 12 divisors (see below), whose sum is σ = 58405003834632. Its totient is φ = 26956072802016.

The previous prime is 40434171313433. The next prime is 40434171313507. The reversal of 40434171313491 is 19431317143404.

40434171313491 is a `hidden beast` number, since 4 + 0 + 4 + 3 + 417 + 13 + 134 + 91 = 666.

40434171313491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40434171313491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40434171383491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3463015 + ... + 9636431.

It is an arithmetic number, because the mean of its divisors is an integer number (4867083652886).

Almost surely, 2^{40434171313491} is an apocalyptic number.

40434171313491 is a deficient number, since it is larger than the sum of its proper divisors (17970832521141).

40434171313491 is a wasteful number, since it uses less digits than its factorization.

40434171313491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901170 (or 6901167 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

Adding to 40434171313491 its reverse (19431317143404), we get a palindrome (59865488456895).

The spelling of 40434171313491 in words is "forty trillion, four hundred thirty-four billion, one hundred seventy-one million, three hundred thirteen thousand, four hundred ninety-one".