40042606004266 has 16 divisors (see below), whose sum is σ = 60743029229064. Its totient is φ = 19795337109504.

The previous prime is 40042606004263. The next prime is 40042606004267. The reversal of 40042606004266 is 66240060624004.

It can be written as a sum of positive squares in 4 ways, for example, as 7142389875625 + 32900216128641 = 2672525^2 + 5735871^2 .

It is a super-2 number, since 2×40042606004266² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40042606004263) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 101681655 + ... + 102074698.

Almost surely, 2^{40042606004266} is an apocalyptic number.

40042606004266 is a deficient number, since it is larger than the sum of its proper divisors (20700423224798).

40042606004266 is a wasteful number, since it uses less digits than its factorization.

40042606004266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203757465.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 40042606004266 in words is "forty trillion, forty-two billion, six hundred six million, four thousand, two hundred sixty-six".