40806708521766 has 96 divisors (see below), whose sum is σ = 93293240617728. Its totient is φ = 11798229240000.

The previous prime is 40806708521729. The next prime is 40806708521801. The reversal of 40806708521766 is 66712580760804.

40806708521766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27565 + ... + 9034056.

It is an arithmetic number, because the mean of its divisors is an integer number (971804589768).

Almost surely, 2^{40806708521766} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40806708521766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46646620308864).

40806708521766 is an abundant number, since it is smaller than the sum of its proper divisors (52486532095962).

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

40806708521766 is a wasteful number, since it uses less digits than its factorization.

40806708521766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9061770 (or 9061739 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 40806708521766 in words is "forty trillion, eight hundred six billion, seven hundred eight million, five hundred twenty-one thousand, seven hundred sixty-six".