40242312092 has 24 divisors (see below), whose sum is σ = 70576652160. Its totient is φ = 20077603520.

The previous prime is 40242312091. The next prime is 40242312137. The reversal of 40242312092 is 29021324204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242312091) 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 7 ways as a sum of consecutive naturals, for example, 3912917 + ... + 3923187.

It is an arithmetic number, because the mean of its divisors is an integer number (2940693840).

Almost surely, 2^40242312092 is an apocalyptic number.

It is an amenable number.

40242312092 is a deficient number, since it is larger than the sum of its proper divisors (30334340068).

40242312092 is a wasteful number, since it uses less digits than its factorization.

40242312092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12301 (or 12299 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 40242312092 its reverse (29021324204), we get a palindrome (69263636296).

The spelling of 40242312092 in words is "forty billion, two hundred forty-two million, three hundred twelve thousand, ninety-two".