40144222132 has 12 divisors (see below), whose sum is σ = 80288444320. Its totient is φ = 17204666616.

The previous prime is 40144222091. The next prime is 40144222133. The reversal of 40144222132 is 23122244104.

40144222132 is an admirable number.

It is a super-2 number, since 2×40144222132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40144222097 and 40144222106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40144222133) 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, 716861082 + ... + 716861137.

Almost surely, 2^40144222132 is an apocalyptic number.

It is an amenable number.

40144222132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40144222132 is a wasteful number, since it uses less digits than its factorization.

40144222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433722230 (or 1433722228 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40144222132 its reverse (23122244104), we get a palindrome (63266466236).

The spelling of 40144222132 in words is "forty billion, one hundred forty-four million, two hundred twenty-two thousand, one hundred thirty-two".