40543534319 has 4 divisors (see below), whose sum is σ = 40555347696. Its totient is φ = 40531720944.

The previous prime is 40543534279. The next prime is 40543534337. The reversal of 40543534319 is 91343534504.

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 40543534319 - 2⁸ = 40543534063 is a prime.

It is a super-2 number, since 2×40543534319² (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 (40543534019) 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, 5901539 + ... + 5908404.

It is an arithmetic number, because the mean of its divisors is an integer number (10138836924).

Almost surely, 2^40543534319 is an apocalyptic number.

40543534319 is a deficient number, since it is larger than the sum of its proper divisors (11813377).

40543534319 is a wasteful number, since it uses less digits than its factorization.

40543534319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11813376.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 40543534319 in words is "forty billion, five hundred forty-three million, five hundred thirty-four thousand, three hundred nineteen".