32440201243 has 4 divisors (see below), whose sum is σ = 32464038168. Its totient is φ = 32416364320.

The previous prime is 32440201237. The next prime is 32440201249. The reversal of 32440201243 is 34210204423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (32440201237) and next prime (32440201249).

It is a cyclic number.

It is not a de Polignac number, because 32440201243 - 2²¹ = 32438104091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32440201249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11916421 + ... + 11919142.

It is an arithmetic number, because the mean of its divisors is an integer number (8116009542).

Almost surely, 2^32440201243 is an apocalyptic number.

32440201243 is a deficient number, since it is larger than the sum of its proper divisors (23836925).

32440201243 is a wasteful number, since it uses less digits than its factorization.

32440201243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23836924.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 32440201243 its reverse (34210204423), we get a palindrome (66650405666).

The spelling of 32440201243 in words is "thirty-two billion, four hundred forty million, two hundred one thousand, two hundred forty-three".