40564644004004 has 6 divisors (see below), whose sum is σ = 70988127007014. Its totient is φ = 20282322002000.

The previous prime is 40564644003991. The next prime is 40564644004039. The reversal of 40564644004004 is 40040044646504.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40485834671104 + 78809332900 = 6362848^2 + 280730^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5070580500497 + ... + 5070580500504.

It is an arithmetic number, because the mean of its divisors is an integer number (11831354501169).

Almost surely, 2^{40564644004004} is an apocalyptic number.

It is an amenable number.

40564644004004 is a deficient number, since it is larger than the sum of its proper divisors (30423483003010).

40564644004004 is a wasteful number, since it uses less digits than its factorization.

40564644004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141161001005 (or 10141161001003 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 41.

The spelling of 40564644004004 in words is "forty trillion, five hundred sixty-four billion, six hundred forty-four million, four thousand, four".