40851768404143 has 16 divisors (see below), whose sum is σ = 42473684413440. Its totient is φ = 39259665720000.

The previous prime is 40851768404129. The next prime is 40851768404207. The reversal of 40851768404143 is 34140486715804.

It is a happy number.

40851768404143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40851768404143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40851768404243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150265188 + ... + 150536806.

It is an arithmetic number, because the mean of its divisors is an integer number (2654605275840).

Almost surely, 2^{40851768404143} is an apocalyptic number.

40851768404143 is a deficient number, since it is larger than the sum of its proper divisors (1621916009297).

40851768404143 is a wasteful number, since it uses less digits than its factorization.

40851768404143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326478.

The product of its (nonzero) digits is 10321920, while the sum is 55.

The spelling of 40851768404143 in words is "forty trillion, eight hundred fifty-one billion, seven hundred sixty-eight million, four hundred four thousand, one hundred forty-three".