40345010543 has 4 divisors (see below), whose sum is σ = 41646462528. Its totient is φ = 39043558560.

The previous prime is 40345010509. The next prime is 40345010549. The reversal of 40345010543 is 34501054304.

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 40345010543 - 2⁶ = 40345010479 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 (40345010549) 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, 650725946 + ... + 650726007.

It is an arithmetic number, because the mean of its divisors is an integer number (10411615632).

Almost surely, 2^40345010543 is an apocalyptic number.

40345010543 is a deficient number, since it is larger than the sum of its proper divisors (1301451985).

40345010543 is a wasteful number, since it uses less digits than its factorization.

40345010543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301451984.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 40345010543 its reverse (34501054304), we get a palindrome (74846064847).

The spelling of 40345010543 in words is "forty billion, three hundred forty-five million, ten thousand, five hundred forty-three".