40533222243 has 4 divisors (see below), whose sum is σ = 54044296328. Its totient is φ = 27022148160.

The previous prime is 40533222239. The next prime is 40533222259. The reversal of 40533222243 is 34222233504.

It is a happy number.

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

It is not a de Polignac number, because 40533222243 - 2² = 40533222239 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 40533222243.

It is not an unprimeable number, because it can be changed into a prime (40533222203) 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, 6755537038 + ... + 6755537043.

It is an arithmetic number, because the mean of its divisors is an integer number (13511074082).

Almost surely, 2^40533222243 is an apocalyptic number.

40533222243 is a deficient number, since it is larger than the sum of its proper divisors (13511074085).

40533222243 is a wasteful number, since it uses less digits than its factorization.

40533222243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13511074084.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 40533222243 its reverse (34222233504), we get a palindrome (74755455747).

The spelling of 40533222243 in words is "forty billion, five hundred thirty-three million, two hundred twenty-two thousand, two hundred forty-three".