40325032543 has 4 divisors (see below), whose sum is σ = 40694987080. Its totient is φ = 39955078008.

The previous prime is 40325032513. The next prime is 40325032607. The reversal of 40325032543 is 34523052304.

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 40325032543 - 2¹⁷ = 40324901471 is a prime.

It is a super-2 number, since 2×40325032543² (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 (40325032513) 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, 184977105 + ... + 184977322.

It is an arithmetic number, because the mean of its divisors is an integer number (10173746770).

Almost surely, 2^40325032543 is an apocalyptic number.

40325032543 is a deficient number, since it is larger than the sum of its proper divisors (369954537).

40325032543 is a wasteful number, since it uses less digits than its factorization.

40325032543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369954536.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 40325032543 its reverse (34523052304), we get a palindrome (74848084847).

The spelling of 40325032543 in words is "forty billion, three hundred twenty-five million, thirty-two thousand, five hundred forty-three".