40143156840647 has 16 divisors (see below), whose sum is σ = 45911465183232. Its totient is φ = 34383245598240.

The previous prime is 40143156840629. The next prime is 40143156840659. The reversal of 40143156840647 is 74604865134104.

It is not a de Polignac number, because 40143156840647 - 2¹⁴ = 40143156824263 is a prime.

It is a super-2 number, since 2×40143156840647² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40143156840667) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 119116193 + ... + 119452725.

It is an arithmetic number, because the mean of its divisors is an integer number (2869466573952).

Almost surely, 2^{40143156840647} is an apocalyptic number.

40143156840647 is a deficient number, since it is larger than the sum of its proper divisors (5768308342585).

40143156840647 is a wasteful number, since it uses less digits than its factorization.

40143156840647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348958.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 40143156840647 in words is "forty trillion, one hundred forty-three billion, one hundred fifty-six million, eight hundred forty thousand, six hundred forty-seven".