40542032343 has 8 divisors (see below), whose sum is σ = 54707321088. Its totient is φ = 26702382584.

The previous prime is 40542032339. The next prime is 40542032383. The reversal of 40542032343 is 34323024504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40542032343 - 2² = 40542032339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40542032343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40542032303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81409455 + ... + 81409952.

It is an arithmetic number, because the mean of its divisors is an integer number (6838415136).

Almost surely, 2^40542032343 is an apocalyptic number.

40542032343 is a deficient number, since it is larger than the sum of its proper divisors (14165288745).

40542032343 is a wasteful number, since it uses less digits than its factorization.

40542032343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162819493.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 40542032343 its reverse (34323024504), we get a palindrome (74865056847).

The spelling of 40542032343 in words is "forty billion, five hundred forty-two million, thirty-two thousand, three hundred forty-three".