40543533243 has 6 divisors (see below), whose sum is σ = 58562881364. Its totient is φ = 27029022156.

The previous prime is 40543533229. The next prime is 40543533301. The reversal of 40543533243 is 34233534504.

40543533243 is a `hidden beast` number, since 40 + 5 + 43 + 533 + 2 + 43 = 666.

40543533243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40543533243 - 2⁴ = 40543533227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40543533198 and 40543533207.

It is not an unprimeable number, because it can be changed into a prime (40543533203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2252418505 + ... + 2252418522.

Almost surely, 2^40543533243 is an apocalyptic number.

40543533243 is a deficient number, since it is larger than the sum of its proper divisors (18019348121).

40543533243 is a wasteful number, since it uses less digits than its factorization.

40543533243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504837033 (or 4504837030 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 36.

The spelling of 40543533243 in words is "forty billion, five hundred forty-three million, five hundred thirty-three thousand, two hundred forty-three".