40163051266 has 32 divisors (see below), whose sum is σ = 65752243200. Its totient is φ = 18287605440.

The previous prime is 40163051263. The next prime is 40163051321. The reversal of 40163051266 is 66215036104.

It is a super-2 number, since 2×40163051266² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40163051263) by changing a digit.

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, 2829495 + ... + 2843653.

It is an arithmetic number, because the mean of its divisors is an integer number (2054757600).

Almost surely, 2^40163051266 is an apocalyptic number.

40163051266 is a deficient number, since it is larger than the sum of its proper divisors (25589191934).

40163051266 is a wasteful number, since it uses less digits than its factorization.

40163051266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15634.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 40163051266 in words is "forty billion, one hundred sixty-three million, fifty-one thousand, two hundred sixty-six".