40440310012 has 12 divisors (see below), whose sum is σ = 70841533000. Its totient is φ = 20199872016.

The previous prime is 40440310003. The next prime is 40440310081. The reversal of 40440310012 is 21001304404.

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 3 ways as a sum of consecutive naturals, for example, 5066262 + ... + 5074237.

Almost surely, 2^40440310012 is an apocalyptic number.

It is an amenable number.

40440310012 is a deficient number, since it is larger than the sum of its proper divisors (30401222988).

40440310012 is a wasteful number, since it uses less digits than its factorization.

40440310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141500 (or 10141498 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40440310012 its reverse (21001304404), we get a palindrome (61441614416).

The spelling of 40440310012 in words is "forty billion, four hundred forty million, three hundred ten thousand, twelve".