40511332343 has 4 divisors (see below), whose sum is σ = 40578739488. Its totient is φ = 40443925200.

The previous prime is 40511332289. The next prime is 40511332349. The reversal of 40511332343 is 34323311504.

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 40511332343 - 2¹⁴ = 40511315959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40511332349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33702671 + ... + 33703872.

It is an arithmetic number, because the mean of its divisors is an integer number (10144684872).

Almost surely, 2^40511332343 is an apocalyptic number.

40511332343 is a deficient number, since it is larger than the sum of its proper divisors (67407145).

40511332343 is an equidigital number, since it uses as much as digits as its factorization.

40511332343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67407144.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 40511332343 its reverse (34323311504), we get a palindrome (74834643847).

The spelling of 40511332343 in words is "forty billion, five hundred eleven million, three hundred thirty-two thousand, three hundred forty-three".