40143536566 has 16 divisors (see below), whose sum is σ = 72439464960. Its totient is φ = 16298879400.

The previous prime is 40143536479. The next prime is 40143536591. The reversal of 40143536566 is 66563534104.

It is a super-2 number, since 2×40143536566² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 75457510 + ... + 75458041.

It is an arithmetic number, because the mean of its divisors is an integer number (4527466560).

Almost surely, 2^40143536566 is an apocalyptic number.

40143536566 is a deficient number, since it is larger than the sum of its proper divisors (32295928394).

40143536566 is a wasteful number, since it uses less digits than its factorization.

40143536566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150915579.

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

The spelling of 40143536566 in words is "forty billion, one hundred forty-three million, five hundred thirty-six thousand, five hundred sixty-six".