40112043412 has 24 divisors (see below), whose sum is σ = 80672276160. Its totient is φ = 17094835200.

The previous prime is 40112043409. The next prime is 40112043421. The reversal of 40112043412 is 21434021104.

It is a happy number.

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, 3996589 + ... + 4006612.

It is an arithmetic number, because the mean of its divisors is an integer number (3361344840).

Almost surely, 2^40112043412 is an apocalyptic number.

It is an amenable number.

40112043412 is an abundant number, since it is smaller than the sum of its proper divisors (40560232748).

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

40112043412 is a wasteful number, since it uses less digits than its factorization.

40112043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003391 (or 8003389 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40112043412 its reverse (21434021104), we get a palindrome (61546064516).

The spelling of 40112043412 in words is "forty billion, one hundred twelve million, forty-three thousand, four hundred twelve".