40665563134 has 16 divisors (see below), whose sum is σ = 69715518048. Its totient is φ = 17427317472.

The previous prime is 40665563117. The next prime is 40665563209. The reversal of 40665563134 is 43136556604.

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, 349572 + ... + 451144.

It is an arithmetic number, because the mean of its divisors is an integer number (4357219878).

Almost surely, 2^40665563134 is an apocalyptic number.

40665563134 is a deficient number, since it is larger than the sum of its proper divisors (29049954914).

40665563134 is a wasteful number, since it uses less digits than its factorization.

40665563134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130179.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 40665563134 in words is "forty billion, six hundred sixty-five million, five hundred sixty-three thousand, one hundred thirty-four".