40026206466 has 24 divisors (see below), whose sum is σ = 86741993520. Its totient is φ = 13339215576.

The previous prime is 40026206449. The next prime is 40026206497. The reversal of 40026206466 is 66460262004.

40026206466 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 6 + 2 + 0 + 646 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40026206466.

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 11 ways as a sum of consecutive naturals, for example, 150396 + ... + 320423.

It is an arithmetic number, because the mean of its divisors is an integer number (3614249730).

Almost surely, 2^40026206466 is an apocalyptic number.

40026206466 is an abundant number, since it is smaller than the sum of its proper divisors (46715787054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40026206466 is a wasteful number, since it uses less digits than its factorization.

40026206466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475550 (or 475547 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 40026206466 in words is "forty billion, twenty-six million, two hundred six thousand, four hundred sixty-six".