40043142001 has 4 divisors (see below), whose sum is σ = 40043652592. Its totient is φ = 40042631412.

The previous prime is 40043141989. The next prime is 40043142043. The reversal of 40043142001 is 10024134004.

40043142001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40043142001 - 2¹¹ = 40043139953 is a prime.

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 40043142001.

It is not an unprimeable number, because it can be changed into a prime (40043148001) 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, 110151 + ... + 303676.

It is an arithmetic number, because the mean of its divisors is an integer number (10010913148).

Almost surely, 2^40043142001 is an apocalyptic number.

It is an amenable number.

40043142001 is a deficient number, since it is larger than the sum of its proper divisors (510591).

40043142001 is an equidigital number, since it uses as much as digits as its factorization.

40043142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510590.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40043142001 its reverse (10024134004), we get a palindrome (50067276005).

The spelling of 40043142001 in words is "forty billion, forty-three million, one hundred forty-two thousand, one".