40141344161543 has 4 divisors (see below), whose sum is σ = 40161689497608. Its totient is φ = 40120998825480.

The previous prime is 40141344161533. The next prime is 40141344161551. The reversal of 40141344161543 is 34516144314104.

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 40141344161543 - 2⁸ = 40141344161287 is a prime.

It is a super-2 number, since 2×40141344161543² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40141344161543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40141344161533) 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, 10172665073 + ... + 10172669018.

It is an arithmetic number, because the mean of its divisors is an integer number (10040422374402).

Almost surely, 2^{40141344161543} is an apocalyptic number.

40141344161543 is a deficient number, since it is larger than the sum of its proper divisors (20345336065).

40141344161543 is a wasteful number, since it uses less digits than its factorization.

40141344161543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20345336064.

The product of its (nonzero) digits is 276480, while the sum is 41.

Adding to 40141344161543 its reverse (34516144314104), we get a palindrome (74657488475647).

The spelling of 40141344161543 in words is "forty trillion, one hundred forty-one billion, three hundred forty-four million, one hundred sixty-one thousand, five hundred forty-three".