40532340343 has 16 divisors (see below), whose sum is σ = 44944284672. Its totient is φ = 36244012000.

The previous prime is 40532340313. The next prime is 40532340391. The reversal of 40532340343 is 34304323504.

It is a cyclic number.

It is not a de Polignac number, because 40532340343 - 2⁹ = 40532339831 is a prime.

It is a super-2 number, since 2×40532340343² (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 (40532340313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276405 + ... + 396817.

It is an arithmetic number, because the mean of its divisors is an integer number (2809017792).

Almost surely, 2^40532340343 is an apocalyptic number.

40532340343 is a deficient number, since it is larger than the sum of its proper divisors (4411944329).

40532340343 is a wasteful number, since it uses less digits than its factorization.

40532340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120926.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 40532340343 its reverse (34304323504), we get a palindrome (74836663847).

The spelling of 40532340343 in words is "forty billion, five hundred thirty-two million, three hundred forty thousand, three hundred forty-three".