40312022112 has 192 divisors, whose sum is σ = 121878993600. Its totient is φ = 12947558400.

The previous prime is 40312022111. The next prime is 40312022117. The reversal of 40312022112 is 21122021304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40312022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15057318 + ... + 15059994.

It is an arithmetic number, because the mean of its divisors is an integer number (634786425).

Almost surely, 2^40312022112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40312022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60939496800).

40312022112 is an abundant number, since it is smaller than the sum of its proper divisors (81566971488).

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

40312022112 is a wasteful number, since it uses less digits than its factorization.

40312022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 40312022112 its reverse (21122021304), we get a palindrome (61434043416).

The spelling of 40312022112 in words is "forty billion, three hundred twelve million, twenty-two thousand, one hundred twelve".