40422243340 has 96 divisors (see below), whose sum is σ = 94101497280. Its totient is φ = 14515716096.

The previous prime is 40422243307. The next prime is 40422243373. The reversal of 40422243340 is 4334222404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40422243307) and next prime (40422243373).

It is a junction number, because it is equal to n+sod(n) for n = 40422243299 and 40422243308.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 793684 + ... + 843076.

It is an arithmetic number, because the mean of its divisors is an integer number (980223930).

Almost surely, 2^40422243340 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 40422243340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47050748640).

40422243340 is an abundant number, since it is smaller than the sum of its proper divisors (53679253940).

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

40422243340 is a wasteful number, since it uses less digits than its factorization.

40422243340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49531 (or 49529 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40422243340 its reverse (4334222404), we get a palindrome (44756465744).

The spelling of 40422243340 in words is "forty billion, four hundred twenty-two million, two hundred forty-three thousand, three hundred forty".