40140543335765 has 4 divisors (see below), whose sum is σ = 48168652002924. Its totient is φ = 32112434668608.

The previous prime is 40140543335749. The next prime is 40140543335797. The reversal of 40140543335765 is 56753334504104.

It is a happy number.

40140543335765 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.

It can be written as a sum of positive squares in 2 ways, for example, as 31056021820849 + 9084521514916 = 5572793^2 + 3014054^2 .

It is a cyclic number.

It is not a de Polignac number, because 40140543335765 - 2⁴ = 40140543335749 is a prime.

It is a super-2 number, since 2×40140543335765² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4014054333572 + ... + 4014054333581.

It is an arithmetic number, because the mean of its divisors is an integer number (12042163000731).

Almost surely, 2^{40140543335765} is an apocalyptic number.

It is an amenable number.

40140543335765 is a deficient number, since it is larger than the sum of its proper divisors (8028108667159).

40140543335765 is an equidigital number, since it uses as much as digits as its factorization.

40140543335765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8028108667158.

The product of its (nonzero) digits is 9072000, while the sum is 50.

Adding to 40140543335765 its reverse (56753334504104), we get a palindrome (96893877839869).

The spelling of 40140543335765 in words is "forty trillion, one hundred forty billion, five hundred forty-three million, three hundred thirty-five thousand, seven hundred sixty-five".