40153721264743 has 2 divisors, whose sum is σ = 40153721264744. Its totient is φ = 40153721264742.

The previous prime is 40153721264731. The next prime is 40153721264771. The reversal of 40153721264743 is 34746212735104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40153721264743 is a prime.

It is a super-2 number, since 2×40153721264743² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40153721214743) 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 as a sum of consecutive naturals, namely, 20076860632371 + 20076860632372.

It is an arithmetic number, because the mean of its divisors is an integer number (20076860632372).

Almost surely, 2^{40153721264743} is an apocalyptic number.

40153721264743 is a deficient number, since it is larger than the sum of its proper divisors (1).

40153721264743 is an equidigital number, since it uses as much as digits as its factorization.

40153721264743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 49.

Adding to 40153721264743 its reverse (34746212735104), we get a palindrome (74899933999847).

The spelling of 40153721264743 in words is "forty trillion, one hundred fifty-three billion, seven hundred twenty-one million, two hundred sixty-four thousand, seven hundred forty-three".