40165140635 has 16 divisors (see below), whose sum is σ = 48757269600. Its totient is φ = 31759639296.

The previous prime is 40165140581. The next prime is 40165140643. The reversal of 40165140635 is 53604156104.

It is a cyclic number.

It is not a de Polignac number, because 40165140635 - 2¹⁰ = 40165139611 is a prime.

It is a super-2 number, since 2×40165140635² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40165140595 and 40165140604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350101 + ... + 1379529.

It is an arithmetic number, because the mean of its divisors is an integer number (3047329350).

Almost surely, 2^40165140635 is an apocalyptic number.

40165140635 is a deficient number, since it is larger than the sum of its proper divisors (8592128965).

40165140635 is a wasteful number, since it uses less digits than its factorization.

40165140635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32590.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 40165140635 its reverse (53604156104), we get a palindrome (93769296739).

The spelling of 40165140635 in words is "forty billion, one hundred sixty-five million, one hundred forty thousand, six hundred thirty-five".