40518128650286 has 16 divisors (see below), whose sum is σ = 70338885181440. Its totient is φ = 17145103262040.

The previous prime is 40518128650277. The next prime is 40518128650289. The reversal of 40518128650286 is 68205682181504.

It is a super-2 number, since 2×40518128650286² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40518128650289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18317416910 + ... + 18317419121.

It is an arithmetic number, because the mean of its divisors is an integer number (4396180323840).

Almost surely, 2^{40518128650286} is an apocalyptic number.

40518128650286 is a deficient number, since it is larger than the sum of its proper divisors (29820756531154).

40518128650286 is a wasteful number, since it uses less digits than its factorization.

40518128650286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36634836119.

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 40518128650286 in words is "forty trillion, five hundred eighteen billion, one hundred twenty-eight million, six hundred fifty thousand, two hundred eighty-six".