40351143542671 has 64 divisors (see below), whose sum is σ = 45309252538368. Its totient is φ = 35699832004608.

The previous prime is 40351143542651. The next prime is 40351143542687. The reversal of 40351143542671 is 17624534115304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40351143542671 - 2¹³ = 40351143534479 is a prime.

It is a super-3 number, since 3×40351143542671³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40351143542651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6233759091 + ... + 6233765563.

It is an arithmetic number, because the mean of its divisors is an integer number (707957070912).

Almost surely, 2^{40351143542671} is an apocalyptic number.

40351143542671 is a deficient number, since it is larger than the sum of its proper divisors (4958108995697).

40351143542671 is a wasteful number, since it uses less digits than its factorization.

40351143542671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720.

The product of its (nonzero) digits is 1209600, while the sum is 46.

Adding to 40351143542671 its reverse (17624534115304), we get a palindrome (57975677657975).

The spelling of 40351143542671 in words is "forty trillion, three hundred fifty-one billion, one hundred forty-three million, five hundred forty-two thousand, six hundred seventy-one".