40424323012 has 48 divisors (see below), whose sum is σ = 75384064000. Its totient is φ = 18913595904.

The previous prime is 40424322971. The next prime is 40424323033. The reversal of 40424323012 is 21032342404.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 2201164 + ... + 2219452.

Almost surely, 2^40424323012 is an apocalyptic number.

It is an amenable number.

40424323012 is a deficient number, since it is larger than the sum of its proper divisors (34959740988).

40424323012 is a wasteful number, since it uses less digits than its factorization.

40424323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18668 (or 18666 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40424323012 its reverse (21032342404), we get a palindrome (61456665416).

The spelling of 40424323012 in words is "forty billion, four hundred twenty-four million, three hundred twenty-three thousand, twelve".