40323120135 has 16 divisors (see below), whose sum is σ = 66090578400. Its totient is φ = 20981135360.

The previous prime is 40323120127. The next prime is 40323120179. The reversal of 40323120135 is 53102132304.

It is not a de Polignac number, because 40323120135 - 2³ = 40323120127 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32782410 + ... + 32783639.

It is an arithmetic number, because the mean of its divisors is an integer number (4130661150).

Almost surely, 2^40323120135 is an apocalyptic number.

40323120135 is a deficient number, since it is larger than the sum of its proper divisors (25767458265).

40323120135 is a wasteful number, since it uses less digits than its factorization.

40323120135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65566098.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 40323120135 its reverse (53102132304), we get a palindrome (93425252439).

The spelling of 40323120135 in words is "forty billion, three hundred twenty-three million, one hundred twenty thousand, one hundred thirty-five".