40143343001 has 4 divisors (see below), whose sum is σ = 40244460132. Its totient is φ = 40042225872.

The previous prime is 40143342983. The next prime is 40143343027. The reversal of 40143343001 is 10034334104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22274070025 + 17869272976 = 149245^2 + 133676^2 .

It is a cyclic number.

It is not a de Polignac number, because 40143343001 - 2¹⁰ = 40143341977 is a prime.

It is a super-2 number, since 2×40143343001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40143343901) 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 3 ways as a sum of consecutive naturals, for example, 50557970 + ... + 50558763.

It is an arithmetic number, because the mean of its divisors is an integer number (10061115033).

Almost surely, 2^40143343001 is an apocalyptic number.

It is an amenable number.

40143343001 is a deficient number, since it is larger than the sum of its proper divisors (101117131).

40143343001 is a wasteful number, since it uses less digits than its factorization.

40143343001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101117130.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40143343001 its reverse (10034334104), we get a palindrome (50177677105).

The spelling of 40143343001 in words is "forty billion, one hundred forty-three million, three hundred forty-three thousand, one".