40123240222 has 16 divisors (see below), whose sum is σ = 65043503280. Its totient is φ = 18452979072.

The previous prime is 40123240219. The next prime is 40123240229. The reversal of 40123240222 is 22204232104.

It is a junction number, because it is equal to n+sod(n) for n = 40123240193 and 40123240202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40123240229) 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 7 ways as a sum of consecutive naturals, for example, 2719147 + ... + 2733862.

It is an arithmetic number, because the mean of its divisors is an integer number (4065218955).

Almost surely, 2^40123240222 is an apocalyptic number.

40123240222 is a deficient number, since it is larger than the sum of its proper divisors (24920263058).

40123240222 is a wasteful number, since it uses less digits than its factorization.

40123240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453307.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40123240222 its reverse (22204232104), we get a palindrome (62327472326).

The spelling of 40123240222 in words is "forty billion, one hundred twenty-three million, two hundred forty thousand, two hundred twenty-two".