40140323222 has 4 divisors (see below), whose sum is σ = 60210484836. Its totient is φ = 20070161610.

The previous prime is 40140323221. The next prime is 40140323287. The reversal of 40140323222 is 22232304104.

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

It is a super-2 number, since 2×40140323222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140323221) 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 as a sum of consecutive naturals, namely, 10035080804 + ... + 10035080807.

It is an arithmetic number, because the mean of its divisors is an integer number (15052621209).

Almost surely, 2^40140323222 is an apocalyptic number.

40140323222 is a deficient number, since it is larger than the sum of its proper divisors (20070161614).

40140323222 is a wasteful number, since it uses less digits than its factorization.

40140323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20070161613.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40140323222 its reverse (22232304104), we get a palindrome (62372627326).

The spelling of 40140323222 in words is "forty billion, one hundred forty million, three hundred twenty-three thousand, two hundred twenty-two".