940040912005 has 8 divisors (see below), whose sum is σ = 1214822101752. Its totient is φ = 694184058048.

The previous prime is 940040911939. The next prime is 940040912021. The reversal of 940040912005 is 500219040049.

It can be written as a sum of positive squares in 4 ways, for example, as 36978561 + 940003933444 = 6081^2 + 969538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 940040912005 - 2¹¹ = 940040909957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7231083874 + ... + 7231084003.

It is an arithmetic number, because the mean of its divisors is an integer number (151852762719).

Almost surely, 2^940040912005 is an apocalyptic number.

It is an amenable number.

940040912005 is a deficient number, since it is larger than the sum of its proper divisors (274781189747).

940040912005 is a wasteful number, since it uses less digits than its factorization.

940040912005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14462167895.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 940040912005 in words is "nine hundred forty billion, forty million, nine hundred twelve thousand, five".