40543432201 has 4 divisors (see below), whose sum is σ = 40811931904. Its totient is φ = 40274932500.

The previous prime is 40543432187. The next prime is 40543432211. The reversal of 40543432201 is 10223434504.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40543432201 - 2¹¹ = 40543430153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40543432201.

It is not an unprimeable number, because it can be changed into a prime (40543432211) 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, 134249625 + ... + 134249926.

It is an arithmetic number, because the mean of its divisors is an integer number (10202982976).

Almost surely, 2^40543432201 is an apocalyptic number.

It is an amenable number.

40543432201 is a deficient number, since it is larger than the sum of its proper divisors (268499703).

40543432201 is a wasteful number, since it uses less digits than its factorization.

40543432201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268499702.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40543432201 its reverse (10223434504), we get a palindrome (50766866705).

The spelling of 40543432201 in words is "forty billion, five hundred forty-three million, four hundred thirty-two thousand, two hundred one".