40065650512143 has 4 divisors (see below), whose sum is σ = 53420867349528. Its totient is φ = 26710433674760.

The previous prime is 40065650512091. The next prime is 40065650512157. The reversal of 40065650512143 is 34121505656004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40065650512143 - 2¹² = 40065650508047 is a prime.

It is a super-2 number, since 2×40065650512143² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40065650512095 and 40065650512104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40065650112143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6677608418688 + ... + 6677608418693.

It is an arithmetic number, because the mean of its divisors is an integer number (13355216837382).

Almost surely, 2^{40065650512143} is an apocalyptic number.

40065650512143 is a deficient number, since it is larger than the sum of its proper divisors (13355216837385).

40065650512143 is a wasteful number, since it uses less digits than its factorization.

40065650512143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13355216837384.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 40065650512143 in words is "forty trillion, sixty-five billion, six hundred fifty million, five hundred twelve thousand, one hundred forty-three".