40404050320166 has 16 divisors (see below), whose sum is σ = 65270752965600. Its totient is φ = 18647259887808.

The previous prime is 40404050320163. The next prime is 40404050320211. The reversal of 40404050320166 is 66102305040404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404050320163) 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, 31158071 + ... + 32428898.

It is an arithmetic number, because the mean of its divisors is an integer number (4079422060350).

Almost surely, 2^{40404050320166} is an apocalyptic number.

40404050320166 is a deficient number, since it is larger than the sum of its proper divisors (24866702645434).

40404050320166 is a wasteful number, since it uses less digits than its factorization.

40404050320166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63611423.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 40404050320166 in words is "forty trillion, four hundred four billion, fifty million, three hundred twenty thousand, one hundred sixty-six".