40123344334 has 16 divisors (see below), whose sum is σ = 60373272960. Its totient is φ = 19999017720.

The previous prime is 40123344293. The next prime is 40123344379. The reversal of 40123344334 is 43344332104.

It is a junction number, because it is equal to n+sod(n) for n = 40123344296 and 40123344305.

It is a congruent number.

It is an unprimeable number.

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, 820167 + ... + 867709.

It is an arithmetic number, because the mean of its divisors is an integer number (3773329560).

Almost surely, 2^40123344334 is an apocalyptic number.

40123344334 is a deficient number, since it is larger than the sum of its proper divisors (20249928626).

40123344334 is a wasteful number, since it uses less digits than its factorization.

40123344334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48855.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 40123344334 its reverse (43344332104), we get a palindrome (83467676438).

The spelling of 40123344334 in words is "forty billion, one hundred twenty-three million, three hundred forty-four thousand, three hundred thirty-four".