40065613466 has 16 divisors (see below), whose sum is σ = 61735689960. Its totient is φ = 19487278080.

The previous prime is 40065613453. The next prime is 40065613499. The reversal of 40065613466 is 66431656004.

It can be written as a sum of positive squares in 4 ways, for example, as 38777880241 + 1287733225 = 196921^2 + 35885^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 313226 + ... + 422186.

Almost surely, 2^40065613466 is an apocalyptic number.

40065613466 is a deficient number, since it is larger than the sum of its proper divisors (21670076494).

40065613466 is a wasteful number, since it uses less digits than its factorization.

40065613466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113969.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 40065613466 in words is "forty billion, sixty-five million, six hundred thirteen thousand, four hundred sixty-six".