40660066122 has 64 divisors (see below), whose sum is σ = 90739111680. Its totient is φ = 12064840704.

The previous prime is 40660066093. The next prime is 40660066123. The reversal of 40660066122 is 22166006604.

It is not an unprimeable number, because it can be changed into a prime (40660066123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263779 + ... + 388457.

It is an arithmetic number, because the mean of its divisors is an integer number (1417798620).

Almost surely, 2^40660066122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40660066122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45369555840).

40660066122 is an abundant number, since it is smaller than the sum of its proper divisors (50079045558).

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

40660066122 is a wasteful number, since it uses less digits than its factorization.

40660066122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124847.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 40660066122 in words is "forty billion, six hundred sixty million, sixty-six thousand, one hundred twenty-two".