40222243140 has 48 divisors (see below), whose sum is σ = 117518905728. Its totient is φ = 10259586304.

The previous prime is 40222243109. The next prime is 40222243141. The reversal of 40222243140 is 4134222204.

It is a self number, because there is not a number n which added to its sum of digits gives 40222243140.

It is not an unprimeable number, because it can be changed into a prime (40222243141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14571897 + ... + 14574656.

It is an arithmetic number, because the mean of its divisors is an integer number (2448310536).

Almost surely, 2^40222243140 is an apocalyptic number.

It is an amenable number.

40222243140 is an abundant number, since it is smaller than the sum of its proper divisors (77296662588).

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

40222243140 is a wasteful number, since it uses less digits than its factorization.

40222243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29146588 (or 29146586 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40222243140 its reverse (4134222204), we get a palindrome (44356465344).

The spelling of 40222243140 in words is "forty billion, two hundred twenty-two million, two hundred forty-three thousand, one hundred forty".