40666884846 has 128 divisors (see below), whose sum is σ = 97831618560. Its totient is φ = 11024294400.

The previous prime is 40666884829. The next prime is 40666884893. The reversal of 40666884846 is 64848866604.

It is a self number, because there is not a number n which added to its sum of digits gives 40666884846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36406680 + ... + 36407796.

It is an arithmetic number, because the mean of its divisors is an integer number (764309520).

Almost surely, 2^40666884846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40666884846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48915809280).

40666884846 is an abundant number, since it is smaller than the sum of its proper divisors (57164733714).

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

40666884846 is a wasteful number, since it uses less digits than its factorization.

40666884846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650.

The product of its (nonzero) digits is 42467328, while the sum is 60.

The spelling of 40666884846 in words is "forty billion, six hundred sixty-six million, eight hundred eighty-four thousand, eight hundred forty-six".